cgit directory traversal (CVE-2013-2117)
Date: Sat, 25 May 2013 20:16:20 +0200
From: “Jason A. Donenfeld” <Jason
...c4.com> To: oss-security <oss-security…ts.openwall.com>
Subject: CVE Request: cgit directory traversal
As mentioned in early messages to oss-sec, I’ve inherited
maintainership of the cgit codebase and am gradually auditing it.
Today I found a nasty directory traversal:
This should be pretty straightforward to categorize.
Exploitation looks like:
I’ve committed a fix for it here:
And this fix will be in the master branch and a new release will be made soon.
Cgit by default is not vulnerable to this, and the vulnerability only
exists when a user has configured cgit to use a readme file from a
filesystem filepath instead of from the git repo itself. Until a
release is made, administrators are urged to disable reading the
readme file from a filepath, if currently enabled.
(from redmine: issue id 2017, created on 2013-05-28, closed on 2013-05-29)