Secunia Logo
 
avast! Zoo Denial of Service Vulnerability
Secunia Advisory: SA25137
Release Date: 2007-05-08
Last Update: 2007-05-24
Popularity: 4,961 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:avast! Home/Professional 4.x
avast! Managed Client 4.x
avast! Server Edition 4.x

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2007-1672


Description:
Jean-Sebastien Guay-Leroux has reported a vulnerability in avast!, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the handling of Zoo archives. This can be exploited to cause an infinite loop resulting in high CPU utilisation.

The vulnerability reportedly affects versions prior to 4.7.981 of the Home/Professional edition, 4.7.766 for servers, and 4.7.700 for the Managed Client product.

Solution:
Update to the latest versions.
http://www.avast.com/eng/download.html

Provided and/or discovered by:
Jean-Sebastien Guay-Leroux

Changelog:
2007-05-24: Updated list of affected products and added new vendor links.

Original Advisory:
avast!:
http://www.avast.com/eng/avast-4-home_pro-revision-history.html
http://www.avast.com/eng/adnm-management-client-revision-history.html
http://www.avast.com/eng/avast-4-server-revision-history.html

Jean-Sebastien Guay-Leroux:
http://www.guay-leroux.com/projects/zoo-infinite-advisory.txt


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
  
Latest Advisories

Today
New advisories: 1
New vulnerabilities: 1
Updated advisories: 1


4th Dec, 2008
New advisories: 20
New vulnerabilities: 45
Updated advisories: 31

Moderately // 477 views
Nagios Unspecified CGI Vulnerability

Solutions | More...  


Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. Sun Java JDK / JRE Multiple Vulnerabilities // 210 views
2. Adobe Flash Player Multiple Security Issues and Vulnerabilities // 59 views
3. Linux Kernel PARISC "parisc_show_stack()" Denial of Service // 40 views
4. PHP ZipArchive::extractTo() Directory Traversal Vulnerability // 32 views
5. Nagios Unspecified CGI Vulnerability // 32 views
6. IBM HMC HTTP TRACE Response Cross-Site Scripting Weakness // 29 views
7. VLC Media Player Real Demuxer Integer Overflow Vulnerability // 28 views
8. RadAsm ".rap" Processing Buffer Overflow Vulnerability // 22 views
9. phpJobScheduler "installed_config_file" File Inclusion Vulnerabilities // 20 views
10. Multi SEO phpBB "pfad" File Inclusion Vulnerability // 19 views