Gentoo Logo

Crack: Arbitrary code execution


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201404-04 / crack
Release Date April 07, 2014
Latest Revision April 07, 2014: 1
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-ruby/crack < 0.3.2 >= 0.3.2 All supported architectures

Related bugreports: #460164


A vulnerability in Crack might allow remote attackers to execute arbitrary code.

2.  Impact Information


Crack is a really simple JSON and XML parsing Ruby gem, ripped from Merb and Rails.


An XML parameter parsing vulnerability has been discovered in Crack.


A remote attacker could execute arbitrary code with the privileges of the process, cause a Denial of Service condition, or bypass security restrictions.

3.  Resolution Information


There is no known workaround at this time.


All Crack users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-ruby/crack-0.3.2"

4.  References


Page updated April 07, 2014

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.

Copyright 2001-2015 Gentoo Foundation, Inc. Questions, Comments? Contact us.