GLSA 200406-09: Horde-Chora: Remote code execution

http://security.gentoo.org/

Severity:	high
Title:	Horde-Chora: Remote code execution
Date:	06/15/2004
Bugs:	#53800
ID:	200406-09

Synopsis

A vulnerability in Chora allows remote code execution and file upload.

Background

Chora is a PHP-based SVN/CVS repository viewer by the HORDE project.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-apps/horde-chora	< 1.2.2	>= 1.2.2	All supported architectures

Description

A vulnerability in the diff viewer of Chora allows an attacker to inject shellcode. An attacker can exploit PHP's file upload functionality to upload a malicious binary to a vulnerable server, chmod it as executable, and run the file.

Impact

An attacker could remotely execute arbitrary binaries with the permissions of the PHP script, conceivably allowing further exploitation of local vulnerabilities and remote root access.

Workaround

There is no known workaround at this time.

Resolution

All users are advised to upgrade to the latest version of Chora:

    # emerge sync

    # emerge -pv ">=www-apps/horde-chora-1.2.2"
    # emerge ">=www-apps/horde-chora-1.2.2"

References

e-matters Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200406-09.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.