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Home » Security Advisories» OpenPKG » GnuPG denial of service

GnuPG denial of service

According to a vendor security release note, a memory allocation attack possibility exists in the GnuPG cryptography tool, version 1.4.3 and earlier.

  • Vendor: OpenPKG
  • Vendor ID: SA-2006.010
  • Date: June 26, 2006


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________________________________________________________________________

OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security/ http://www.openpkg.org
[email protected] [email protected]
OpenPKG-SA-2006.010 26-Jun-2006
________________________________________________________________________

Package: gnupg
Vulnerability: denial of service
OpenPKG Specific: no

Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= gnupg-1.4.3-20060403 >= gnupg-1.4.4-20060625
OpenPKG 2.20060622 <= gnupg-1.4.4-2.20060622 >= gnupg-1.4.4-2.20060622
OpenPKG 2.5 <= gnupg-1.4.2-2.5.1 >= gnupg-1.4.2-2.5.2

Description:
According to a vendor security release note [0], a memory allocation
attack possibility exists in the GnuPG [1] cryptography tool, version
1.4.3 and earlier. The problem allows remote attackers to cause a
Denial of Service (DoS) (GnuPG crashes) and possibly overwrite memory
via a message packet with a large length, which could lead to an
integer overflow, as demonstrated using the "--no-armor" option. The
Common Vulnerabilities and Exposures (CVE) project assigned the id
CVE-2006-3082 [2] to the problem.
________________________________________________________________________

References:
[0] http://lists.gnupg.org/pipermail/gnupg-announce/2006q2/000226.html
[1] http://www.gnupg.org/
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3082
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG " (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org
for details on how to verify the integrity of this advisory.
________________________________________________________________________

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