diff options
| author | Leo Famulari <leo@famulari.name> | 2018-02-05 16:21:12 -0500 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2018-02-05 16:21:40 -0500 |
| commit | a630c64709af2ab7fdeb797ee35d89964b1fc042 (patch) | |
| tree | 7d945e7be37b4bdfdf510505e283ab7fbcec9bf3 /gnu/packages/patches/p7zip-CVE-2017-17969.patch | |
| parent | b1968d86b9bc838d95be4745f53c63493920ae3a (diff) | |
gnu: p7zip: Fix CVE-2017-17969.
* gnu/packages/patches/p7zip-CVE-2017-17969.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/compression.scm (p7zip)[source]: Use it.
Diffstat (limited to 'gnu/packages/patches/p7zip-CVE-2017-17969.patch')
| -rw-r--r-- | gnu/packages/patches/p7zip-CVE-2017-17969.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gnu/packages/patches/p7zip-CVE-2017-17969.patch b/gnu/packages/patches/p7zip-CVE-2017-17969.patch new file mode 100644 index 0000000000..51c24000e5 --- /dev/null +++ b/gnu/packages/patches/p7zip-CVE-2017-17969.patch @@ -0,0 +1,35 @@ +Fix CVE-2017-17969: + +https://sourceforge.net/p/p7zip/bugs/204/ +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17969 + +Patch copied from Debian. + +Subject: Heap-based buffer overflow in 7zip/Compress/ShrinkDecoder.cpp +Origin: vendor, https://sourceforge.net/p/p7zip/bugs/_discuss/thread/0920f369/27d7/attachment/CVE-2017-17969.patch +Forwarded: https://sourceforge.net/p/p7zip/bugs/_discuss/thread/0920f369/#27d7 +Bug: https://sourceforge.net/p/p7zip/bugs/204/ +Bug-Debian: https://bugs.debian.org/888297 +Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2017-17969 +Author: Antoine Beaupré <anarcat@debian.org> +Reviewed-by: Salvatore Bonaccorso <carnil@debian.org> +Last-Update: 2018-02-01 +Applied-Upstream: 18.00-beta + +--- a/CPP/7zip/Compress/ShrinkDecoder.cpp ++++ b/CPP/7zip/Compress/ShrinkDecoder.cpp +@@ -121,8 +121,13 @@ HRESULT CDecoder::CodeReal(ISequentialIn + { + _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; + |