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>> AhnLab V3 Antivirus Archive Handling Buffer Overflow Vulnerability

Title : AhnLab V3 Antivirus Archive Handling Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2005-2077
CVE ID : CVE-2005-3284
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-10-13


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in AhnLab V3 Antivirus, which could be exploited by attackers or malware to execute arbitrary commands or cause a denial of service. This flaw is due to heap and stack overflow errors when processing specially crafted ALZ, UUE or XXE archives, which could be exploited by attackers to execute arbitrary commands and compromise a vulnerable system.

Affected Products

AhnLab MyV3
AhnLab V3Net for Windows Server 6.0
AhnLab V3Pro 2004 (AhnLab V3 VirusBlock 2005)

Solution

AhnLab V3Pro 2004 - Update to version 6.0.0.488 via Smart Update.

AhnLab V3Net for Windows Server 6.0 - Update to version 6.0.0.488 via Smart Update.

AhnLab MyV3 - The vulnerability has been fixed in the vendor's Korean MyV3 website.

References

http://www.vupen.com/english/advisories/2005/2077
http://global.ahnlab.com/security/security_advisory002.html
http://secunia.com/secunia_research/2005-48/advisory/

Credits

Vulnerability reported by Tan Chew Keong

ChangeLog

2005-10-13 : Initial release

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