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GLSA-201111-06 : MaraDNS: Arbitrary code execution

high Nessus Plugin ID 56902

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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-201111-06 (MaraDNS: Arbitrary code execution)

 A long DNS hostname with a large number of labels could trigger a buffer overflow in the compress_add_dlabel_points() function of dns/Compress.c.
 Impact :

 A remote unauthenticated attacker could execute arbitrary code or cause a Denial of Service.
 Workaround :

 There is no known workaround at this time.

Solution

All MaraDNS users should upgrade to the latest stable version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/maradns-1.4.06' NOTE: This is a legacy GLSA. Updates for all affected architectures are available since February 12, 2011. It is likely that your system is already no longer affected by this issue.

See Also

https://security.gentoo.org/glsa/201111-06

Plugin Details

Severity: High

ID: 56902

File Name: gentoo_GLSA-201111-06.nasl

Version: 1.8

Type: local

Published: 11/22/2011

Updated: 1/6/2021

Supported Sensors: 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: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: 11/20/2011

Reference Information

CVE: CVE-2011-0520

BID: 45966

GLSA: 201111-06