* [PATCH 1/5] tiff: Security fix CVE-2015-8781
2016-08-10 7:11 [PATCH 0/5] libtiff: CVE fixes Yi Zhao
@ 2016-08-10 7:11 ` Yi Zhao
2016-08-10 7:11 ` [PATCH 2/5] tiff: Security fix CVE-2015-8784 Yi Zhao
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Yi Zhao @ 2016-08-10 7:11 UTC (permalink / raw)
To: openembedded-core; +Cc: akuster
From: Armin Kuster <akuster@mvista.com>
CVE-2015-8781 libtiff: out-of-bounds writes for invalid images
External Reference:
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8781
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
.../libtiff/files/CVE-2015-8781.patch | 195 +++++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.0.6.bb | 1 +
2 files changed, 196 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch b/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
new file mode 100644
index 0000000..0846f0f
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2015-8781.patch
@@ -0,0 +1,195 @@
+From aaab5c3c9d2a2c6984f23ccbc79702610439bc65 Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Sun, 27 Dec 2015 16:25:11 +0000
+Subject: [PATCH] * libtiff/tif_luv.c: fix potential out-of-bound writes in
+ decode functions in non debug builds by replacing assert()s by regular if
+ checks (bugzilla #2522). Fix potential out-of-bound reads in case of short
+ input data.
+
+Upstream-Status: Backport
+
+https://github.com/vadz/libtiff/commit/aaab5c3c9d2a2c6984f23ccbc79702610439bc65
+hand applied Changelog changes
+
+CVE: CVE-2015-8781
+
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+---
+ ChangeLog | 7 +++++++
+ libtiff/tif_luv.c | 55 ++++++++++++++++++++++++++++++++++++++++++++-----------
+ 2 files changed, 51 insertions(+), 11 deletions(-)
+
+Index: tiff-4.0.4/ChangeLog
+===================================================================
+--- tiff-4.0.4.orig/ChangeLog
++++ tiff-4.0.4/ChangeLog
+@@ -1,3 +1,10 @@
++2015-12-27 Even Rouault <even.rouault at spatialys.com>
++
++ * libtiff/tif_luv.c: fix potential out-of-bound writes in decode
++ functions in non debug builds by replacing assert()s by regular if
++ checks (bugzilla #2522).
++ Fix potential out-of-bound reads in case of short input data.
++
+ 2015-12-26 Even Rouault <even.rouault at spatialys.com>
+
+ * libtiff/tif_getimage.c: fix out-of-bound reads in TIFFRGBAImage
+Index: tiff-4.0.4/libtiff/tif_luv.c
+===================================================================
+--- tiff-4.0.4.orig/libtiff/tif_luv.c
++++ tiff-4.0.4/libtiff/tif_luv.c
+@@ -202,7 +202,11 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
+ if (sp->user_datafmt == SGILOGDATAFMT_16BIT)
+ tp = (int16*) op;
+ else {
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ tp = (int16*) sp->tbuf;
+ }
+ _TIFFmemset((void*) tp, 0, npixels*sizeof (tp[0]));
+@@ -211,9 +215,11 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
+ cc = tif->tif_rawcc;
+ /* get each byte string */
+ for (shft = 2*8; (shft -= 8) >= 0; ) {
+- for (i = 0; i < npixels && cc > 0; )
++ for (i = 0; i < npixels && cc > 0; ) {
+ if (*bp >= 128) { /* run */
+- rc = *bp++ + (2-128); /* TODO: potential input buffer overrun when decoding corrupt or truncated data */
++ if( cc < 2 )
++ break;
++ rc = *bp++ + (2-128);
+ b = (int16)(*bp++ << shft);
+ cc -= 2;
+ while (rc-- && i < npixels)
+@@ -223,6 +229,7 @@ LogL16Decode(TIFF* tif, uint8* op, tmsiz
+ while (--cc && rc-- && i < npixels)
+ tp[i++] |= (int16)*bp++ << shft;
+ }
++ }
+ if (i != npixels) {
+ #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+ TIFFErrorExt(tif->tif_clientdata, module,
+@@ -268,13 +275,17 @@ LogLuvDecode24(TIFF* tif, uint8* op, tms
+ if (sp->user_datafmt == SGILOGDATAFMT_RAW)
+ tp = (uint32 *)op;
+ else {
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ tp = (uint32 *) sp->tbuf;
+ }
+ /* copy to array of uint32 */
+ bp = (unsigned char*) tif->tif_rawcp;
+ cc = tif->tif_rawcc;
+- for (i = 0; i < npixels && cc > 0; i++) {
++ for (i = 0; i < npixels && cc >= 3; i++) {
+ tp[i] = bp[0] << 16 | bp[1] << 8 | bp[2];
+ bp += 3;
+ cc -= 3;
+@@ -325,7 +336,11 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
+ if (sp->user_datafmt == SGILOGDATAFMT_RAW)
+ tp = (uint32*) op;
+ else {
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ tp = (uint32*) sp->tbuf;
+ }
+ _TIFFmemset((void*) tp, 0, npixels*sizeof (tp[0]));
+@@ -334,11 +349,13 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
+ cc = tif->tif_rawcc;
+ /* get each byte string */
+ for (shft = 4*8; (shft -= 8) >= 0; ) {
+- for (i = 0; i < npixels && cc > 0; )
++ for (i = 0; i < npixels && cc > 0; ) {
+ if (*bp >= 128) { /* run */
++ if( cc < 2 )
++ break;
+ rc = *bp++ + (2-128);
+ b = (uint32)*bp++ << shft;
+- cc -= 2; /* TODO: potential input buffer overrun when decoding corrupt or truncated data */
++ cc -= 2;
+ while (rc-- && i < npixels)
+ tp[i++] |= b;
+ } else { /* non-run */
+@@ -346,6 +363,7 @@ LogLuvDecode32(TIFF* tif, uint8* op, tms
+ while (--cc && rc-- && i < npixels)
+ tp[i++] |= (uint32)*bp++ << shft;
+ }
++ }
+ if (i != npixels) {
+ #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+ TIFFErrorExt(tif->tif_clientdata, module,
+@@ -413,6 +431,7 @@ LogLuvDecodeTile(TIFF* tif, uint8* bp, t
+ static int
+ LogL16Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
+ {
++ static const char module[] = "LogL16Encode";
+ LogLuvState* sp = EncoderState(tif);
+ int shft;
+ tmsize_t i;
+@@ -433,7 +452,11 @@ LogL16Encode(TIFF* tif, uint8* bp, tmsiz
+ tp = (int16*) bp;
+ else {
+ tp = (int16*) sp->tbuf;
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ (*sp->tfunc)(sp, bp, npixels);
+ }
+ /* compress each byte string */
+@@ -506,6 +529,7 @@ LogL16Encode(TIFF* tif, uint8* bp, tmsiz
+ static int
+ LogLuvEncode24(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
+ {
++ static const char module[] = "LogLuvEncode24";
+ LogLuvState* sp = EncoderState(tif);
+ tmsize_t i;
+ tmsize_t npixels;
+@@ -521,7 +545,11 @@ LogLuvEncode24(TIFF* tif, uint8* bp, tms
+ tp = (uint32*) bp;
+ else {
+ tp = (uint32*) sp->tbuf;
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ (*sp->tfunc)(sp, bp, npixels);
+ }
+ /* write out encoded pixels */
+@@ -553,6 +581,7 @@ LogLuvEncode24(TIFF* tif, uint8* bp, tms
+ static int
+ LogLuvEncode32(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
+ {
++ static const char module[] = "LogLuvEncode32";
+ LogLuvState* sp = EncoderState(tif);
+ int shft;
+ tmsize_t i;
+@@ -574,7 +603,11 @@ LogLuvEncode32(TIFF* tif, uint8* bp, tms
+ tp = (uint32*) bp;
+ else {
+ tp = (uint32*) sp->tbuf;
+- assert(sp->tbuflen >= npixels);
++ if(sp->tbuflen < npixels) {
++ TIFFErrorExt(tif->tif_clientdata, module,
++ "Translation buffer too short");
++ return (0);
++ }
+ (*sp->tfunc)(sp, bp, npixels);
+ }
+ /* compress each byte string */
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 810a5e4..9879c8b 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -6,6 +6,7 @@ HOMEPAGE = "http://www.remotesensing.org/libtiff/"
SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://libtool2.patch \
file://CVE-2015-8665_8683.patch \
+ file://CVE-2015-8781.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/5] tiff: Security fix CVE-2015-8784
2016-08-10 7:11 [PATCH 0/5] libtiff: CVE fixes Yi Zhao
2016-08-10 7:11 ` [PATCH 1/5] tiff: Security fix CVE-2015-8781 Yi Zhao
@ 2016-08-10 7:11 ` Yi Zhao
2016-08-10 7:11 ` [PATCH 3/5] tiff: Security fix CVE-2016-3186 Yi Zhao
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Yi Zhao @ 2016-08-10 7:11 UTC (permalink / raw)
To: openembedded-core; +Cc: akuster
From: Armin Kuster <akuster@mvista.com>
CVE-2015-8784 libtiff: out-of-bound write in NeXTDecode()
External Reference:
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8784
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
.../libtiff/files/CVE-2015-8784.patch | 73 ++++++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.0.6.bb | 1 +
2 files changed, 74 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2015-8784.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2015-8784.patch b/meta/recipes-multimedia/libtiff/files/CVE-2015-8784.patch
new file mode 100644
index 0000000..0caf800
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2015-8784.patch
@@ -0,0 +1,73 @@
+From b18012dae552f85dcc5c57d3bf4e997a15b1cc1c Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Sun, 27 Dec 2015 16:55:20 +0000
+Subject: [PATCH] * libtiff/tif_next.c: fix potential out-of-bound write in
+ NeXTDecode() triggered by http://lcamtuf.coredump.cx/afl/vulns/libtiff5.tif
+ (bugzilla #2508)
+
+Upstream-Status: Backport
+https://github.com/vadz/libtiff/commit/b18012dae552f85dcc5c57d3bf4e997a15b1cc1c
+hand applied Changelog changes
+
+CVE: CVE-2015-8784
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ ChangeLog | 6 ++++++
+ libtiff/tif_next.c | 10 ++++++++--
+ 2 files changed, 14 insertions(+), 2 deletions(-)
+
+Index: tiff-4.0.4/ChangeLog
+===================================================================
+--- tiff-4.0.4.orig/ChangeLog
++++ tiff-4.0.4/ChangeLog
+@@ -1,5 +1,11 @@
+ 2015-12-27 Even Rouault <even.rouault at spatialys.com>
+
++ * libtiff/tif_next.c: fix potential out-of-bound write in NeXTDecode()
++ triggered by http://lcamtuf.coredump.cx/afl/vulns/libtiff5.tif
++ (bugzilla #2508)
++
++2015-12-27 Even Rouault <even.rouault at spatialys.com>
++
+ * libtiff/tif_luv.c: fix potential out-of-bound writes in decode
+ functions in non debug builds by replacing assert()s by regular if
+ checks (bugzilla #2522).
+Index: tiff-4.0.4/libtiff/tif_next.c
+===================================================================
+--- tiff-4.0.4.orig/libtiff/tif_next.c
++++ tiff-4.0.4/libtiff/tif_next.c
+@@ -37,7 +37,7 @@
+ case 0: op[0] = (unsigned char) ((v) << 6); break; \
+ case 1: op[0] |= (v) << 4; break; \
+ case 2: op[0] |= (v) << 2; break; \
+- case 3: *op++ |= (v); break; \
++ case 3: *op++ |= (v); op_offset++; break; \
+ } \
+ }
+
+@@ -106,6 +106,7 @@ NeXTDecode(TIFF* tif, uint8* buf, tmsize
+ uint32 imagewidth = tif->tif_dir.td_imagewidth;
+ if( isTiled(tif) )
+ imagewidth = tif->tif_dir.td_tilewidth;
++ tmsize_t op_offset = 0;
+
+ /*
+ * The scanline is composed of a sequence of constant
+@@ -122,10 +123,15 @@ NeXTDecode(TIFF* tif, uint8* buf, tmsize
+ * bounds, potentially resulting in a security
+ * issue.
+ */
+- while (n-- > 0 && npixels < imagewidth)
++ while (n-- > 0 && npixels < imagewidth && op_offset < scanline)
+ SETPIXEL(op, grey);
+ if (npixels >= imagewidth)
+ break;
++ if (op_offset >= scanline ) {
++ TIFFErrorExt(tif->tif_clientdata, module, "Invalid data for scanline %ld",
++ (long) tif->tif_row);
++ return (0);
++ }
+ if (cc == 0)
+ goto bad;
+ n = *bp++, cc--;
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 9879c8b..0506475 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -7,6 +7,7 @@ SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://libtool2.patch \
file://CVE-2015-8665_8683.patch \
file://CVE-2015-8781.patch \
+ file://CVE-2015-8784.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 3/5] tiff: Security fix CVE-2016-3186
2016-08-10 7:11 [PATCH 0/5] libtiff: CVE fixes Yi Zhao
2016-08-10 7:11 ` [PATCH 1/5] tiff: Security fix CVE-2015-8781 Yi Zhao
2016-08-10 7:11 ` [PATCH 2/5] tiff: Security fix CVE-2015-8784 Yi Zhao
@ 2016-08-10 7:11 ` Yi Zhao
2016-08-10 7:11 ` [PATCH 4/5] tiff: Security fix CVE-2016-5321 Yi Zhao
2016-08-10 7:11 ` [PATCH 5/5] tiff: Security fix CVE-2016-5323 Yi Zhao
4 siblings, 0 replies; 6+ messages in thread
From: Yi Zhao @ 2016-08-10 7:11 UTC (permalink / raw)
To: openembedded-core; +Cc: akuster
CVE-2016-3186 libtiff: buffer overflow in the readextension function in
gif2tiff.c allows remote attackers to cause a denial of service via a
crafted GIF file
External References:
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3186
https://bugzilla.redhat.com/show_bug.cgi?id=1319503
Patch from:
https://bugzilla.redhat.com/attachment.cgi?id=1144235&action=diff
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
.../libtiff/files/CVE-2016-3186.patch | 24 ++++++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.0.6.bb | 1 +
2 files changed, 25 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2016-3186.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-3186.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-3186.patch
new file mode 100644
index 0000000..4a08aba
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-3186.patch
@@ -0,0 +1,24 @@
+Buffer overflow in the readextension function in gif2tiff.c
+allows remote attackers to cause a denial of service via a crafted GIF file.
+
+External References:
+https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-3186
+https://bugzilla.redhat.com/show_bug.cgi?id=1319503
+
+CVE: CVE-2016-3186
+Upstream-Status: Backport (RedHat)
+https://bugzilla.redhat.com/attachment.cgi?id=1144235&action=diff
+
+Signed-off-by: Yi Zhao <yi.zhao@windirver.com>
+
+--- tiff-4.0.6/tools/gif2tiff.c 2016-04-06 15:43:01.586048341 +0200
++++ tiff-4.0.6/tools/gif2tiff.c 2016-04-06 15:48:05.523207710 +0200
+@@ -349,7 +349,7 @@
+ int status = 1;
+
+ (void) getc(infile);
+- while ((count = getc(infile)) && count <= 255)
++ while ((count = getc(infile)) && count >= 0 && count <= 255)
+ if (fread(buf, 1, count, infile) != (size_t) count) {
+ fprintf(stderr, "short read from file %s (%s)\n",
+ filename, strerror(errno));
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 0506475..36cb34e 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -8,6 +8,7 @@ SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://CVE-2015-8665_8683.patch \
file://CVE-2015-8781.patch \
file://CVE-2015-8784.patch \
+ file://CVE-2016-3186.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 4/5] tiff: Security fix CVE-2016-5321
2016-08-10 7:11 [PATCH 0/5] libtiff: CVE fixes Yi Zhao
` (2 preceding siblings ...)
2016-08-10 7:11 ` [PATCH 3/5] tiff: Security fix CVE-2016-3186 Yi Zhao
@ 2016-08-10 7:11 ` Yi Zhao
2016-08-10 7:11 ` [PATCH 5/5] tiff: Security fix CVE-2016-5323 Yi Zhao
4 siblings, 0 replies; 6+ messages in thread
From: Yi Zhao @ 2016-08-10 7:11 UTC (permalink / raw)
To: openembedded-core; +Cc: akuster
CVE-2016-5321 libtiff: a maliciously crafted TIFF file could cause the
application to crash when using tiffcrop command
External References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5321
http://bugzilla.maptools.org/show_bug.cgi?id=2558
Patch from:
https://github.com/vadz/libtiff/commit/d9783e4a1476b6787a51c5ae9e9b3156527589f0
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
.../libtiff/files/CVE-2016-5321.patch | 49 ++++++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.0.6.bb | 1 +
2 files changed, 50 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2016-5321.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-5321.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-5321.patch
new file mode 100644
index 0000000..63c6650
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-5321.patch
@@ -0,0 +1,49 @@
+From d9783e4a1476b6787a51c5ae9e9b3156527589f0 Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Mon, 11 Jul 2016 21:26:03 +0000
+Subject: [PATCH 1/2] * tools/tiffcrop.c: Avoid access outside of stack
+ allocated array on a tiled separate TIFF with more than 8 samples per pixel.
+ Reported by Kaixiang Zhang of the Cloud Security Team, Qihoo 360
+ (CVE-2016-5321, bugzilla #2558)
+
+CVE: CVE-2016-5321
+Upstream-Status: Backport
+https://github.com/vadz/libtiff/commit/d9783e4a1476b6787a51c5ae9e9b3156527589f0
+
+Signed-off-by: Yi Zhao <yi.zhao@windirver.com>
+---
+ ChangeLog | 7 +++++++
+ tools/tiffcrop.c | 2 +-
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/ChangeLog b/ChangeLog
+index e98d54d..4e0302f 100644
+--- a/ChangeLog
++++ b/ChangeLog
+@@ -1,3 +1,10 @@
++2016-07-11 Even Rouault <even.rouault at spatialys.com>
++
++ * tools/tiffcrop.c: Avoid access outside of stack allocated array
++ on a tiled separate TIFF with more than 8 samples per pixel.
++ Reported by Kaixiang Zhang of the Cloud Security Team, Qihoo 360
++ (CVE-2016-5321, bugzilla #2558)
++
+ 2015-12-27 Even Rouault <even.rouault at spatialys.com>
+
+ * libtiff/tif_next.c: fix potential out-of-bound write in NeXTDecode()
+diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
+index d959ae3..6fc8fc1 100644
+--- a/tools/tiffcrop.c
++++ b/tools/tiffcrop.c
+@@ -989,7 +989,7 @@ static int readSeparateTilesIntoBuffer (TIFF* in, uint8 *obuf,
+ nrow = (row + tl > imagelength) ? imagelength - row : tl;
+ for (col = 0; col < imagewidth; col += tw)
+ {
+- for (s = 0; s < spp; s++)
++ for (s = 0; s < spp && s < MAX_SAMPLES; s++)
+ { /* Read each plane of a tile set into srcbuffs[s] */
+ tbytes = TIFFReadTile(in, srcbuffs[s], col, row, 0, s);
+ if (tbytes < 0 && !ignore)
+--
+2.7.4
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 36cb34e..63df126 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -9,6 +9,7 @@ SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://CVE-2015-8781.patch \
file://CVE-2015-8784.patch \
file://CVE-2016-3186.patch \
+ file://CVE-2016-5321.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 5/5] tiff: Security fix CVE-2016-5323
2016-08-10 7:11 [PATCH 0/5] libtiff: CVE fixes Yi Zhao
` (3 preceding siblings ...)
2016-08-10 7:11 ` [PATCH 4/5] tiff: Security fix CVE-2016-5321 Yi Zhao
@ 2016-08-10 7:11 ` Yi Zhao
4 siblings, 0 replies; 6+ messages in thread
From: Yi Zhao @ 2016-08-10 7:11 UTC (permalink / raw)
To: openembedded-core; +Cc: akuster
CVE-2016-5323 libtiff: a maliciously crafted TIFF file could cause the
application to crash when using tiffcrop command
External References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5323
http://bugzilla.maptools.org/show_bug.cgi?id=2559
Patch from:
https://github.com/vadz/libtiff/commit/2f79856097f423eb33796a15fcf700d2ea41bf31
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
.../libtiff/files/CVE-2016-5323.patch | 107 +++++++++++++++++++++
meta/recipes-multimedia/libtiff/tiff_4.0.6.bb | 1 +
2 files changed, 108 insertions(+)
create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2016-5323.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-5323.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-5323.patch
new file mode 100644
index 0000000..41eab91
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-5323.patch
@@ -0,0 +1,107 @@
+From 2f79856097f423eb33796a15fcf700d2ea41bf31 Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Mon, 11 Jul 2016 21:38:31 +0000
+Subject: [PATCH 2/2] (CVE-2016-5321 / CVE-2016-5323 , bugzilla #2558 / #2559)
+
+CVE: CVE-2016-5323
+Upstream-Status: Backport
+https://github.com/vadz/libtiff/commit/2f79856097f423eb33796a15fcf700d2ea41bf31
+
+Signed-off-by: Yi Zhao <yi.zhao@windirver.com>
+---
+ ChangeLog | 2 +-
+ tools/tiffcrop.c | 16 ++++++++--------
+ 2 files changed, 9 insertions(+), 9 deletions(-)
+
+diff --git a/ChangeLog b/ChangeLog
+index 4e0302f..62dc1b5 100644
+--- a/ChangeLog
++++ b/ChangeLog
+@@ -3,7 +3,7 @@
+ * tools/tiffcrop.c: Avoid access outside of stack allocated array
+ on a tiled separate TIFF with more than 8 samples per pixel.
+ Reported by Kaixiang Zhang of the Cloud Security Team, Qihoo 360
+- (CVE-2016-5321, bugzilla #2558)
++ (CVE-2016-5321 / CVE-2016-5323 , bugzilla #2558 / #2559)
+
+ 2016-07-10 Even Rouault <even.rouault at spatialys.com>
+
+diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
+index 6fc8fc1..27abc0b 100644
+--- a/tools/tiffcrop.c
++++ b/tools/tiffcrop.c
+@@ -3738,7 +3738,7 @@ combineSeparateSamples8bits (uint8 *in[], uint8 *out, uint32 cols,
+
+ matchbits = maskbits << (8 - src_bit - bps);
+ /* load up next sample from each plane */
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ buff1 = ((*src) & matchbits) << (src_bit);
+@@ -3837,7 +3837,7 @@ combineSeparateSamples16bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (16 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+@@ -3947,7 +3947,7 @@ combineSeparateSamples24bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (32 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+@@ -4073,7 +4073,7 @@ combineSeparateSamples32bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (64 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+@@ -4263,7 +4263,7 @@ combineSeparateTileSamples8bits (uint8 *in[], uint8 *out, uint32 cols,
+
+ matchbits = maskbits << (8 - src_bit - bps);
+ /* load up next sample from each plane */
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ buff1 = ((*src) & matchbits) << (src_bit);
+@@ -4362,7 +4362,7 @@ combineSeparateTileSamples16bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (16 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+@@ -4471,7 +4471,7 @@ combineSeparateTileSamples24bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (32 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+@@ -4597,7 +4597,7 @@ combineSeparateTileSamples32bits (uint8 *in[], uint8 *out, uint32 cols,
+ src_bit = bit_offset % 8;
+
+ matchbits = maskbits << (64 - src_bit - bps);
+- for (s = 0; s < spp; s++)
++ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
+ {
+ src = in[s] + src_offset + src_byte;
+ if (little_endian)
+--
+2.7.4
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
index 63df126..83d88df 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.6.bb
@@ -10,6 +10,7 @@ SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://CVE-2015-8784.patch \
file://CVE-2016-3186.patch \
file://CVE-2016-5321.patch \
+ file://CVE-2016-5323.patch \
"
SRC_URI[md5sum] = "d1d2e940dea0b5ad435f21f03d96dd72"
--
2.7.4
^ permalink raw reply related [flat|nested] 6+ messages in thread