Directory traversal vulnerability in GNU patch versions which support Git-style...

Vulnerability Description

Directory traversal vulnerability in GNU patch versions which support Git-style patching before 2.7.3 allows remote attackers to write to arbitrary files with the permissions of the target user via a .. (dot dot) in a diff file name.

References

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=775873
• http://www.securityfocus.com/bid/72846
• http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148953.html
• https://savannah.gnu.org/bugs/?44059
• http://www.openwall.com/lists/oss-security/2015/01/27/28
• https://git.savannah.gnu.org/cgit/patch.git/commit/?id=17953b5893f7c9835f0dd2a704ba04e0371d2cbd
• http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154214.html
• http://www.ubuntu.com/usn/USN-2651-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1184490