[Slackbuilds-users] p7zip vulnerabilities

Sebastien BALLET slacker6896 at gmail.com
Tue May 31 14:16:49 UTC 2016


Hello,

p7zip 9.20.1 has two security issues :

CVE-2015-1038:
p7zip 9.20.1 allows remote attackers to write to arbitrary files via a
symlink attack in an archive.

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1038
https://sourceforge.net/p/p7zip/bugs/147/#2f9c

CVE-2016-2335:
7zip UDF CInArchive::ReadFileItem Code Execution Vulnerability

http://www.talosintel.com/reports/TALOS-2016-0094/
https://sourceforge.net/p/p7zip/discussion/383043/thread/9d0fb86b/#1dba

The latest p7zip, ie. 15.14.1, is not affected by CVE-2015-1038, but
affected by CVE-2016-2335 and also by CVE-2016-2334.

In attachment, the patches for these issues, and for the slackbuild.

Notes:

p7zip.SlackBuild.patch
Applies the patches to fix vulnerabilities in p7zip 9.20.1

p7zip.15.14.1.SlackBuild.patch
Bumps VERSION to 15.14.1 and applies the patches to fix vulnerabilities in
this version.

Hope this help.

-- 
SeB
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