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QGit: Insecure temporary file creation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200710-05 / qgit
Release Date October 07, 2007
Latest Revision October 07, 2007: 01
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
dev-util/qgit < 1.5.7 >= 1.5.7 All supported architectures

Related bugreports: #190697

Synopsis

A vulnerability has been discovered in QGit allowing local users to overwrite arbitrary files and execute arbitrary code with another user's rights.

2.  Impact Information

Background

QGit is a graphical interface to git repositories that allows you to browse revisions history, view patch content and changed files.

Description

Raphael Marichez discovered that the DataLoader::doStart() method creates temporary files in an insecure manner and executes them.

Impact

A local attacker could perform a symlink attack, possibly overwriting files or executing arbitrary code with the rights of the user running QGit.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All QGit users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-util/qgit-1.5.7"

4.  References



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Page updated October 07, 2007

Summary: This is a Gentoo Linux Security Advisory

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