Debian DSA-2196-1 : maradns - buffer overflow

high Nessus Plugin ID 52720

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Synopsis

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

Description

Witold Baryluk discovered that MaraDNS, a simple security-focused Domain Name System server, may overflow an internal buffer when handling requests with a large number of labels, causing a server crash and the consequent denial of service.

Solution

Upgrade the maradns packages.

For the oldstable distribution (lenny), this problem has been fixed in version 1.3.07.09-2.1.

For the stable distribution (squeeze) and greater this problem had already been fixed in version 1.4.03-1.1.

Plugin Details

Severity: High

ID: 52720

File Name: debian_DSA-2196.nasl

Version: 1.11

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/21/2011

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: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:maradns, 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: 3/19/2011

Reference Information

CVE: CVE-2011-0520

BID: 45966

DSA: 2196

Detections

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