Login
Newsletter
Werbung

Sicherheit: Absturz beim Lesen von RAR-Archiven in clamav
Aktuelle Meldungen Distributionen
Name: Absturz beim Lesen von RAR-Archiven in clamav
ID: 200404-07
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Do, 8. April 2004, 13:00
Referenzen: Keine Angabe
Applikationen: Clam Antivirus

Originalnachricht

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200404-07
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: ClamAV RAR Archive Remote Denial Of Service Vulnerability

Date: April 07, 2004
Bugs: #45357
ID: 200404-07

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

Synopsis
========

ClamAV is vulnerable to a denial of service attack when processing
certain RAR archives.

Background
==========

From http://www.clamav.net/ :

"Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose
of this software is the integration with mail servers (attachment
scanning). The package provides a flexible and scalable multi-threaded
daemon, a command line scanner, and a tool for automatic updating via
Internet. The programs are based on a shared library distributed with
the Clam AntiVirus package, which you can use with your own software.
Most importantly, the virus database is kept up to date."

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
net-mail/clamav <= 0.68 >= 0.68.1

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

Certain types of RAR archives, including those created by variants of
the W32.Beagle.A@mm worm, may cause clamav to crash when it attempts to
process them.

Impact
======

This vulnerability causes a Denial of Service in the clamav process.
Depending on configuration, this may cause dependent services such as
mail to fail as well.

Workaround
==========

A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.

Resolution
==========

ClamAV users should upgrade to version 0.68.1 or later:

# emerge sync

# emerge -pv ">=net-mail/clamav-0.68.1"
# emerge ">=net-mail/clamav-0.68.1"

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
http://bugs.gentoo.org.
Pro-Linux
Pro-Linux @Twitter
Neue Nachrichten
Werbung