GLSA-201202-03 : MaraDNS: Denial of Service

high Nessus Plugin ID 58099

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201202-03 (MaraDNS: Denial of Service)

MaraDNS does not properly randomize hash functions to protect against hash collision attacks.
Impact :

A remote attacker could send many specially crafted DNS recursive queries, possibly resulting in a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All MaraDNS users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/maradns-1.4.09'

See Also

https://security.gentoo.org/glsa/201202-03

Plugin Details

Severity: High

ID: 58099

File Name: gentoo_GLSA-201202-03.nasl

Version: 1.9

Type: local

Published: 2/23/2012

Updated: 1/6/2021

Risk Information

VPR

Risk Factor: Low

Score: 2.7

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:maradns, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2/22/2012

Vulnerability Publication Date: 1/8/2012

Reference Information

CVE: CVE-2012-0024

BID: 51225

GLSA: 201202-03