[poky][zeus][PATCH] libpcre: Add fix for CVE-2020-14155

[poky][zeus][PATCH] libpcre: Add fix for CVE-2020-14155

[saloni]

From: Rahul Taya <Rahul.Taya@kpit.com>

Added below patch in libpcre
CVE-2020-14155.patch

This patch fixes below error:
PCRE could allow a remote attacker to execute arbitrary
code on the system, caused by an integer overflow in
libpcre via a large number after (?C substring.
By sending a request with a large number, an attacker
can execute arbitrary code on the system or
cause the application to crash.

Upstream-Status: Pending

Tested-by: Rahul Taya <Rahul.Taya@kpit.com>
Signed-off-by: Saloni Jain <Saloni.Jain@kpit.com>
---
 .../libpcre/libpcre/CVE-2020-14155.patch           | 40 ++++++++++++++++++++++
 meta/recipes-support/libpcre/libpcre_8.43.bb       |  1 +
 2 files changed, 41 insertions(+)
 create mode 100644 meta/recipes-support/libpcre/libpcre/CVE-2020-14155.patch

diff --git a/meta/recipes-support/libpcre/libpcre/CVE-2020-14155.patch b/meta/recipes-support/libpcre/libpcre/CVE-2020-14155.patch
new file mode 100644
index 0000000..d6cb9bf
--- /dev/null
+++ b/meta/recipes-support/libpcre/libpcre/CVE-2020-14155.patch
@@ -0,0 +1,40 @@
+--- pcre-8.43/pcre_compile.c    2020-07-05 22:26:25.310501521 +0530
++++ pcre-8.43/pcre_compile1.c   2020-07-05 22:30:22.254489562 +0530
+
+CVE: CVE-2020-14155
+Upstream-Status: Backport [https://vcs.pcre.org/pcre/code/trunk/pcre_compile.c?view=patch&r1=1761&r2=1760&pathrev=1761]
+
+@@ -6,7 +6,7 @@
+ and semantics are as close as possible to those of the Perl 5 language.
+
+                        Written by Philip Hazel
+-           Copyright (c) 1997-2018 University of Cambridge
++           Copyright (c) 1997-2020 University of Cambridge
+
+ -----------------------------------------------------------------------------
+ Redistribution and use in source and binary forms, with or without
+@@ -7130,17 +7130,19 @@
+           int n = 0;
+           ptr++;
+           while(IS_DIGIT(*ptr))
++           {
+             n = n * 10 + *ptr++ - CHAR_0;
++            if (n > 255)
++               {
++               *errorcodeptr = ERR38;
++               goto FAILED;
++               }
++            }
+           if (*ptr != CHAR_RIGHT_PARENTHESIS)
+             {
+             *errorcodeptr = ERR39;
+             goto FAILED;
+             }
+-          if (n > 255)
+-            {
+-            *errorcodeptr = ERR38;
+-            goto FAILED;
+-            }
+           *code++ = n;
+           PUT(code, 0, (int)(ptr - cd->start_pattern + 1)); /* Pattern offset */
+           PUT(code, LINK_SIZE, 0);                          /* Default length */
diff --git a/meta/recipes-support/libpcre/libpcre_8.43.bb b/meta/recipes-support/libpcre/libpcre_8.43.bb
index b97af08..60ece64 100644
--- a/meta/recipes-support/libpcre/libpcre_8.43.bb
+++ b/meta/recipes-support/libpcre/libpcre_8.43.bb
@@ -12,6 +12,7 @@ SRC_URI = "https://ftp.pcre.org/pub/pcre/pcre-${PV}.tar.bz2 \
            file://out-of-tree.patch \
            file://run-ptest \
            file://Makefile \
+           file://CVE-2020-14155.patch \
 "

 SRC_URI[md5sum] = "636222e79e392c3d95dcc545f24f98c4"
--
2.7.4

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✗ patchtest: failure for libpcre: Add fix for CVE-2020-14155 (rev2)

[Patchwork]

== Series Details ==

Series: libpcre: Add fix for CVE-2020-14155 (rev2)
Revision: 2
URL   : https://patchwork.openembedded.org/series/25384/
State : failure

== Summary ==


Thank you for submitting this patch series to OpenEmbedded Core. This is
an automated response. Several tests have been executed on the proposed
series by patchtest resulting in the following failures:



* Issue             A patch file has been added, but does not have a Signed-off-by tag [test_signed_off_by_presence] 
  Suggested fix    Sign off the added patch file (meta/recipes-support/libpcre/libpcre/CVE-2020-14155.patch)



If you believe any of these test results are incorrect, please reply to the
mailing list (openembedded-core@lists.openembedded.org) raising your concerns.
Otherwise we would appreciate you correcting the issues and submitting a new
version of the patchset if applicable. Please ensure you add/increment the
version number when sending the new version (i.e. [PATCH] -> [PATCH v2] ->
[PATCH v3] -> ...).

---
Guidelines:     https://www.openembedded.org/wiki/Commit_Patch_Message_Guidelines
Test framework: http://git.yoctoproject.org/cgit/cgit.cgi/patchtest
Test suite:     http://git.yoctoproject.org/cgit/cgit.cgi/patchtest-oe