Debian DSA-2213-1 : x11-xserver-utils - missing input sanitization

high Nessus Plugin ID 53340

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Synopsis

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

Description

Sebastian Krahmer discovered that the xrdb utility of x11-xserver-utils, a X server resource database utility, is not properly filtering crafted hostnames. This allows a remote attacker to execute arbitrary code with root privileges given that either remote logins via xdmcp are allowed or the attacker is able to place a rogue DHCP server into the victims network.

Solution

Upgrade the x11-xserver-utils packages.

For the oldstable distribution (lenny), this problem has been fixed in version 7.3+6.

For the stable distribution (squeeze), this problem has been fixed in version 7.5+3.

Plugin Details

Severity: High

ID: 53340

File Name: debian_DSA-2213.nasl

Version: 1.14

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/11/2011

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:x11-xserver-utils, cpe:/o:debian:debian_linux:5.0, 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: 4/8/2011

Reference Information

CVE: CVE-2011-0465

BID: 47189

DSA: 2213

IAVA: 2017-A-0098

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