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X2Go Server: Arbitrary code execution

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201310-19 / x2goserver
Release Date October 28, 2013
Latest Revision October 28, 2013: 1
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-misc/x2goserver < 4.0.0.2 >= 4.0.0.2 All supported architectures

Related bugreports: #472582

Synopsis

A path vulnerability in X2Go Server may allow remote execution of arbitrary code.

2.  Impact Information

Background

X2Go is an open source terminal server project.

Description

A vulnerability in the setgid wrapper x2gosqlitewrapper.c does not hardcode an internal path to x2gosqlitewrapper.pl, allowing a remote attacker to change that path.

Impact

A remote attacker may be able to execute arbitrary code with the privileges of the user running the server process.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All X2Go Server users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/x2goserver-4.0.0.2"

4.  References



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Page updated October 28, 2013

Summary: This is a Gentoo Linux Security Advisory

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