Git: User-assisted execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200809-16 / git
Release Date	September 25, 2008
Latest Revision	September 25, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-util/git	< 1.5.6.4	>= 1.5.6.4	All supported architectures

Related bugreports: #234075

Synopsis

Multiple buffer overflow vulnerabilities have been discovered in Git.

2. Impact Information

Background

Git is a distributed version control system.

Description

Multiple boundary errors in the functions diff_addremove() and diff_change() when processing overly long repository path names were reported.

Impact

A remote attacker could entice a user to run commands like "git-diff" or "git-grep" on a specially crafted repository, possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Git users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-util/git-1.5.6.4"

4. References

CVE-2008-3546

Page updated September 25, 2008

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.