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Pardus Linux Security Advisory 2008.35

Pardus Linux Security Advisory 2008.35
Posted Sep 3, 2008
Authored by Pardus Linux, Pardus

Pardus Linux Security Advisory - A vulnerability has been reported in Ruby, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, ruby
systems | linux
advisories | CVE-2008-3790
SHA-256 | c6e9d536c199df4973a3e06474000294ccc5a550605dc6539e629df16a27784f

Pardus Linux Security Advisory 2008.35

Change Mirror Download
------------------------------------------------------------------------
Pardus Linux Security Advisory 2008-35 security@pardus.org.tr
------------------------------------------------------------------------
Date: 2008-09-01
Severity: 3
Type: Remote
------------------------------------------------------------------------

Summary
=======

A vulnerability has been reported in Ruby, which can be exploited by
malicious people to cause a DoS (Denial of Service).


Description
===========

The vulnerability is caused due to an error in the REXML library when
processing recursively nested XML entities. This can be exploited to
cause a DoS via a specially crafted XML document.


Note: This vulnerability found by Luka Treiber and Mitja Kolsek of ACROS
Security.


Affected packages:

Pardus 2008:
ruby, all before 1.8.7_p72-17-5
ruby-mode, all before 1.8.7_p72-17-5

Pardus 2007:
ruby, all before 1.8.7_p72-17-14
ruby-mode, all before 1.8.7_p72-17-5


Resolution
==========

There are update(s) for ruby, ruby-mode. You can update them via Package
Manager or with a single command from console:

Pardus 2008:
pisi up ruby ruby-mode

Pardus 2007:
pisi up ruby ruby-mode


References
==========

* http://security.pardus.org.tr/en/2008-35
* http://bugs.pardus.org.tr/show_bug.cgi?id=8044
* http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/
* http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3790
* http://secunia.com/advisories/31602

------------------------------------------------------------------------

--
Pınar Yanardağ
Pardus Security Team
http://security.pardus.org.tr


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