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FreeBSD : FreeBSD -- Incorrect handling of zero-length RDATA fields in named(8) (fc5231b6-c066-11e1-b5e0-000c299b62e1)

high Nessus Plugin ID 59749

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Synopsis

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

Description

Problem description :

The named(8) server does not properly handle DNS resource records where the RDATA field is zero length, which may cause various issues for the servers handling them.

Resolving servers may crash or disclose some portion of memory to the client. Authoritative servers may crash on restart after transferring a zone containing records with zero-length RDATA fields. These would result in a denial of service, or leak of sensitive information.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?306cad86

Plugin Details

Severity: High

ID: 59749

File Name: freebsd_pkg_fc5231b6c06611e1b5e0000c299b62e1.nasl

Version: 1.14

Type: local

Published: 6/28/2012

Updated: 1/6/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:freebsd, cpe:/o:freebsd:freebsd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/27/2012

Vulnerability Publication Date: 6/12/2012

Reference Information

CVE: CVE-2012-1667

BID: 53772

FreeBSD: SA-12:03.bind