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>> GnuPG "parse_comment()" Message Packet Length Handling Integer Overflow Vulnerability

Title : GnuPG "parse_comment()" Message Packet Length Handling Integer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2006-3123
CVE ID : CVE-2006-3746
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-08-02


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 

A vulnerability has been identified in GnuPG, which may be exploited by attackers to execute arbitrary commands or cause a denial of service. This flaw is due to an integer overflow error in the "parse_comment()" function that does not properly handle a malformed message packet, which could be exploited by attackers to crash a vulnerable application or compromise an affected system.

Affected Products

GnuPG version 1.4.4 and prior

Solution

Upgrade to GnuPG version 1.4.5 :
http://www.gnupg.org/download

References

http://www.vupen.com/english/advisories/2006/3123
http://lists.gnupg.org/pipermail/gnupg-announce/2006q3/000229.html

Credits

Vulnerability reported by Evgeny Legerov

ChangeLog

2006-08-02 : Initial release

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