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Ubuntu 9.10 / 10.04 LTS / 10.10 : gdm vulnerability (USN-1099-1)

medium Nessus Plugin ID 53238

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

Sebastian Krahmer discovered that GDM (GNOME Display Manager) did not properly drop privileges when handling the cache directories used to store users' dmrc and face icon files. This could allow a local attacker to change the ownership of arbitrary files, thereby gaining root privileges.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected gdm package.

See Also

https://usn.ubuntu.com/1099-1/

Plugin Details

Severity: Medium

ID: 53238

File Name: ubuntu_USN-1099-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 3/31/2011

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 6

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:gdm, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:10.10, cpe:/o:canonical:ubuntu_linux:9.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/30/2011

Vulnerability Publication Date: 3/31/2011

Reference Information

CVE: CVE-2011-0727

BID: 47063

USN: 1099-1