From: Ross Burton <ross.burton@intel.com>
To: openembedded-core@lists.openembedded.org
Subject: [PATCH] lrzsz: fix CVE-2018-10195
Date: Tue, 11 Sep 2018 10:37:40 +0100 [thread overview]
Message-ID: <20180911093740.5334-1-ross.burton@intel.com> (raw)
"Integer overflow in src/zm.c:zsdata() causes crash in sz and can leak
information to receiver."
Take a patch from Fedora to resolve CVE-2018-10195.
Signed-off-by: Ross Burton <ross.burton@intel.com>
---
.../lrzsz/lrzsz-0.12.20/cve-2018-10195.patch | 28 ++++++++++++++++++++++
meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb | 1 +
2 files changed, 29 insertions(+)
create mode 100644 meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch
diff --git a/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch
new file mode 100644
index 00000000000..dea298634f0
--- /dev/null
+++ b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch
@@ -0,0 +1,28 @@
+Integer overflow in src/zm.c:zsdata() causes crash in sz and can leak information to receiver.
+
+Patch taken from Fedora.
+
+CVE: CVE-2018-10195
+Upstream-Status: Inappropriate (dead upstream)
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+diff -urN lrzsz-0.12.20/src/zm.c lrzsz-0.12.20.new/src/zm.c
+--- lrzsz-0.12.20/src/zm.c Tue Dec 29 09:48:38 1998
++++ lrzsz-0.12.20.new/src/zm.c Tue Oct 8 12:46:58 2002
+@@ -431,10 +431,12 @@
+ VPRINTF(3,("zsdata: %lu %s", (unsigned long) length,
+ Zendnames[(frameend-ZCRCE)&3]));
+ crc = 0;
+- do {
+- zsendline(*buf); crc = updcrc((0377 & *buf), crc);
+- buf++;
+- } while (--length>0);
++
++ for( ; length; length--) {
++ zsendline(*buf); crc = updcrc((0377 & *buf), crc);
++ buf++;
++ }
++
+ xsendline(ZDLE); xsendline(frameend);
+ crc = updcrc(frameend, crc);
+
\ No newline at end of file
diff --git a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb
index 4b349be32f7..002c774c6d8 100644
--- a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb
+++ b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb
@@ -19,6 +19,7 @@ SRC_URI = "http://www.ohse.de/uwe/releases/lrzsz-${PV}.tar.gz \
file://acdefine.patch \
file://lrzsz_fix_for_automake-1.12.patch \
file://lrzsz-check-locale.h.patch \
+ file://cve-2018-10195.patch \
"
SRC_URI[md5sum] = "b5ce6a74abc9b9eb2af94dffdfd372a4"
--
2.11.0
next reply other threads:[~2018-09-11 9:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-11 9:37 Ross Burton [this message]
2018-09-11 10:10 ` ✗ patchtest: failure for lrzsz: fix CVE-2018-10195 Patchwork
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