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rxvt-unicode: User-assisted execution of arbitrary code

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201406-18 / rxvt-unicode
Release Date June 19, 2014
Latest Revision June 19, 2014: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
x11-terms/rxvt-unicode < 9.20 >= 9.20 All supported architectures

Related bugreports: #509174

Synopsis

A vulnerability in rxvt-unicode may allow a remote attacker to execute arbitrary code.

2.  Impact Information

Background

rxvt-unicode (urxvt) is a clone of the rxvt terminal emulator.

Description

rxvt-unicode does not properly handle OSC escape sequences, including those used to read and write X window properties.

Impact

A remote attacker could entice a user to run a specially crafted file using rxvt-unicode, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All rxvt-unicode users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-terms/rxvt-unicode-9.20"

4.  References



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Page updated June 19, 2014

Summary: This is a Gentoo Linux Security Advisory

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