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Debian DSA-2076-1 : gnupg2 - use-after-free

medium Nessus Plugin ID 47890

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Synopsis

The remote Debian host is missing a security-related update.

Description

It was discovered that GnuPG 2 uses a freed pointer when verifying a signature or importing a certificate with many Subject Alternate Names, potentially leading to arbitrary code execution.

Solution

Upgrade the gnupg2 packages.

For the stable distribution (lenny), this problem has been fixed in version 2.0.9-3.1+lenny1.

GnuPG 1 (in the gnupg package) is not affected by this problem.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=590122

https://www.debian.org/security/2010/dsa-2076

Plugin Details

Severity: Medium

ID: 47890

File Name: debian_DSA-2076.nasl

Version: 1.11

Type: local

Agent: unix

Published: 7/29/2010

Updated: 1/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:gnupg2, cpe:/o:debian:debian_linux:5.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 7/27/2010

Reference Information

CVE: CVE-2010-2547

BID: 41945

DSA: 2076