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>> Balsa "ir_fetch_seq()" Response Processing Remote Buffer Overflow Issue

Title : Balsa "ir_fetch_seq()" Response Processing Remote Buffer Overflow Issue
VUPEN ID : VUPEN/ADV-2007-3263
CVE ID : CVE-2007-5007
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-09-25


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 Balsa, which could be exploited by remote attackers to cause a denial of service or execute arbitrary code. This issue is caused by a buffer overflow error in the "ir_fetch_seq()" [libbalsa/imap/imap-handle.c] function when processing an overly long response to a "FETCH" command, which could be exploited by attackers to compromise a vulnerable system by tricking a user into connecting to a malicious IMAP server.

Affected Products

Balsa versions prior to 2.3.20

Solution

Upgrade to Balsa version 2.3.20 :
http://balsa.gnome.org/download.html

References

http://www.vupen.com/english/advisories/2007/3263
http://mail.gnome.org/archives/balsa-list/2007-September/msg00010.html
http://bugzilla.gnome.org/show_bug.cgi?id=474366

Credits

Vulnerability reported by Evil Ninja Squirrel.

ChangeLog

2007-09-25 : Initial release

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