avast! Zoo Denial of Service Vulnerability - Secunia Advisories - Vulnerability Intelligence

avast! Zoo Denial of Service Vulnerability
Secunia Advisory:	SA25137	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
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

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