diff options
| author | Mark H Weaver <mhw@netris.org> | 2018-02-09 01:46:34 -0500 |
|---|---|---|
| committer | Mark H Weaver <mhw@netris.org> | 2018-02-09 01:46:34 -0500 |
| commit | efe2a2833c6d306d0c60127fdfebaff6dc415b4c (patch) | |
| tree | bf842134e1a149770907e1956d28c3a6b207b3f7 /gnu/packages/patches/p7zip-CVE-2017-17969.patch | |
| parent | 53f826cd0f429864d46fc3bf6305c14356d0b2ad (diff) | |
| parent | 8d0edc8246389c0f2bb1c8e9c9190c312746a4b4 (diff) | |
Merge branch 'master' into core-updates
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; + |