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Debian DSA-2205-1 : gdm3 - privilege escalation

medium Nessus Plugin ID 53198

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Synopsis

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

Description

Sebastian Krahmer discovered that GDM 3, the GNOME Display Manager, does not properly drop privileges when manipulating files related to the logged-in user. As a result, local users can gain root privileges.

The oldstable distribution (lenny) does not contain a gdm3 package.
The gdm package is not affected by this issue.

Solution

Upgrade the gdm3 packages.

For the stable distribution (squeeze), this problem has been fixed in version 2.30.5-6squeeze2.

See Also

https://packages.debian.org/source/squeeze/gdm3

https://www.debian.org/security/2011/dsa-2205

Plugin Details

Severity: Medium

ID: 53198

File Name: debian_DSA-2205.nasl

Version: 1.12

Type: local

Agent: unix

Published: 3/29/2011

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:gdm3, cpe:/o:debian:debian_linux:6.0

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

Patch Publication Date: 3/28/2011

Reference Information

CVE: CVE-2011-0727

DSA: 2205