From: Radovan Scasny <[email protected]> Signed-off-by: Radovan Scasny <[email protected]> Signed-off-by: Andrej Valek <[email protected]> --- .../p7zip/files/CVE-2017-17969.patch | 31 ++++++++++++++++++++++ meta-oe/recipes-extended/p7zip/p7zip_16.02.bb | 3 ++- 2 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 meta-oe/recipes-extended/p7zip/files/CVE-2017-17969.patch
diff --git a/meta-oe/recipes-extended/p7zip/files/CVE-2017-17969.patch b/meta-oe/recipes-extended/p7zip/files/CVE-2017-17969.patch new file mode 100644 index 000000000..177d1455f --- /dev/null +++ b/meta-oe/recipes-extended/p7zip/files/CVE-2017-17969.patch @@ -0,0 +1,31 @@ +p7zip: Fix CVE-2017-17969 + +[No upstream tracking] -- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=888297 + +Heap-based buffer overflow in 7zip + +Compress/ShrinkDecoder.cpp: Heap-based buffer overflow +in the NCompress::NShrink::CDecoder::CodeReal method +in 7-Zip before 18.00 and p7zip allows remote attackers +to cause a denial of service (out-of-bounds write) +or potentially execute arbitrary code via a crafted ZIP archive. + +Upstream-Status: Backport [https://sourceforge.net/p/p7zip/bugs/_discuss/thread/0920f369/8316/attachment/CVE-2017-17969.patch] +CVE: CVE-2017-17969 +Signed-off-by: Radovan Scasny <[email protected]> + +--- a/CPP/7zip/Compress/ShrinkDecoder.cpp ++++ b/CPP/7zip/Compress/ShrinkDecoder.cpp +@@ -121,7 +121,12 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream * + { + _stack[i++] = _suffixes[cur]; + cur = _parents[cur]; ++ if (cur >= kNumItems || i >= kNumItems) ++ break; + } ++ ++ if (cur >= kNumItems || i >= kNumItems) ++ break; + + _stack[i++] = (Byte)cur; + lastChar2 = (Byte)cur; diff --git a/meta-oe/recipes-extended/p7zip/p7zip_16.02.bb b/meta-oe/recipes-extended/p7zip/p7zip_16.02.bb index 67ffbc67c..edf47f7bc 100644 --- a/meta-oe/recipes-extended/p7zip/p7zip_16.02.bb +++ b/meta-oe/recipes-extended/p7zip/p7zip_16.02.bb @@ -6,7 +6,8 @@ LIC_FILES_CHKSUM = "file://DOC/copying.txt;md5=4fbd65380cdd255951079008b364516c file://DOC/License.txt;md5=879598edf1f54dddb6930d7581357f8b" SRC_URI = "http://downloads.sourceforge.net/p7zip/p7zip/${PV}/p7zip_${PV}_src_all.tar.bz2 \ - file://do_not_override_compiler_and_do_not_strip.patch" + file://do_not_override_compiler_and_do_not_strip.patch \ + file://CVE-2017-17969.patch" SRC_URI[md5sum] = "a0128d661cfe7cc8c121e73519c54fbf" SRC_URI[sha256sum] = "5eb20ac0e2944f6cb9c2d51dd6c4518941c185347d4089ea89087ffdd6e2341f" -- 2.11.0 -- _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-devel
