Mercurial: Directory traversal

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200807-09 / mercurial
Release Date	July 15, 2008
Latest Revision	July 15, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-util/mercurial	< 1.0.1-r2	>= 1.0.1-r2	All supported architectures

Related bugreports: #230193

Synopsis

A directory traversal vulnerability in Mercurial allows for the renaming of arbitrary files.

2. Impact Information

Background

Mercurial is a distributed Source Control Management system.

Description

Jakub Wilk discovered a directory traversal vulnerabilty in the applydiff() function in the mercurial/patch.py file.

Impact

A remote attacker could entice a user to import a specially crafted patch, possibly resulting in the renaming of arbitrary files, even outside the repository.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Mercurial users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-util/mercurial-1.0.1-r2"

4. References

CVE-2008-2942

Page updated July 15, 2008

Summary: This is a Gentoo Linux Security Advisory

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