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TITLE: mutt Attachment Decoding Buffer Overflow Vulnerability
SECUNIA ADVISORY ID: SA16485
VERIFY ADVISORY: http://secunia.com/advisories/16485/
CRITICAL: Moderately critical
IMPACT: DoS, System access
WHERE: >From remote
SOFTWARE: Mutt 1.4.x http://secunia.com/product/1305/
DESCRIPTION: Frank Denis and Peter Valchev have reported a vulnerability in mutt, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in handler.c when decoding certain e-mail attachments and can potentially be exploited to execute arbitrary code.
Successful exploitation may require that libiconv/gettext is compiled against certain versions of libc.
The vulnerability has been reported in versions 1.4.2 (stable) and 1.5.9 (snapshot).
SOLUTION: Filter e-mail attachments in a gateway.
PROVIDED AND/OR DISCOVERED BY: Frank Denis and Peter Valchev
ORIGINAL ADVISORY: http://comments.gmane.org/gmane.mail.mutt.devel/8379
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.