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FreeBSD : BIND -- Large RRSIG RRsets and Negative Caching DoS (1e1421f0-8d6f-11e0-89b4-001ec9578670)

medium Nessus Plugin ID 54982

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

ISC reports :

A BIND 9 DNS server set up to be a caching resolver is vulnerable to a user querying a domain with very large resource record sets (RRSets) when trying to negatively cache a response. This can cause the BIND 9 DNS server (named process) to crash.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?773a5e8d

http://www.nessus.org/u?86e01568

Plugin Details

Severity: Medium

ID: 54982

File Name: freebsd_pkg_1e1421f08d6f11e089b4001ec9578670.nasl

Version: 1.10

Type: local

Published: 6/7/2011

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:bind9-sdb-ldap, p-cpe:/a:freebsd:freebsd:bind9-sdb-postgresql, p-cpe:/a:freebsd:freebsd:bind96, p-cpe:/a:freebsd:freebsd:bind97, p-cpe:/a:freebsd:freebsd:bind98, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 6/4/2011

Vulnerability Publication Date: 5/26/2011

Reference Information

CVE: CVE-2011-1910

BID: 48007

FreeBSD: SA-11:02.bind