GnuPG OpenPGP Message Decryption Vulnerability - Advisories

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GnuPG OpenPGP Message Decryption Vulnerability

Secunia Advisory:	SA23245
Release Date:	2006-12-06
Last Update:	2006-12-19

Critical:	Highly critical
Impact:	System access
Where:	From remote
Solution Status:	Vendor Patch

Software:	GnuPG / gpg 1.0.x GnuPG / gpg 1.2.x GnuPG / gpg 1.3.x GnuPG / gpg 1.4.x GnuPG / gpg 2.x

CVE reference:	CVE-2006-6235 (Secunia mirror)

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Description: Tavis Ormandy has reported a vulnerability in GnuPG, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to an error within the decryption of malformed OpenPGP messages. This can be exploited to corrupt memory when decrypting a specially crafted OpenPGP message. Successful exploitation allows execution of arbitrary code. The vulnerability is reported in versions prior to 1.4.6 and 2.0.2. Solution: Update to a fixed version or apply patch. GnuPG 1.4: Update to version 1.4.6 or apply patch. GnuPG 2.0: Apply patch. Provided and/or discovered by: Tavis Ormandy Changelog: 2006-12-08: Updated link to vendor advisory. 2006-12-19: Added link to US-CERT. Original Advisory: http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000246.html Other References: US-CERT VU#427009: http://www.kb.cert.org/vuls/id/427009



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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