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Debian DSA-2326-1 : pam - several vulnerabilities

medium Nessus Plugin ID 56622

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Synopsis

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

Description

Kees Cook of the ChromeOS security team discovered a buffer overflow in pam_env, a PAM module to set environment variables through the PAM stack, which allowed the execution of arbitrary code. An additional issue in argument parsing allows denial of service.

The oldstable distribution (lenny) is not affected.

Solution

Upgrade the pam packages.

For the stable distribution (squeeze), this problem has been fixed in version 1.1.1-6.1+squeeze1.

See Also

https://packages.debian.org/source/squeeze/pam

https://www.debian.org/security/2011/dsa-2326

Plugin Details

Severity: Medium

ID: 56622

File Name: debian_DSA-2326.nasl

Version: 1.11

Type: local

Agent: unix

Published: 10/25/2011

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pam, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/24/2011

Reference Information

CVE: CVE-2011-3148, CVE-2011-3149

DSA: 2326