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FreeBSD : FreeBSD -- named(8) DNSSEC validation Denial of Service (0f020b7b-e033-11e1-90a2-000c299b62e1)

high Nessus Plugin ID 61443

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Synopsis

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

Description

Problem description :

BIND 9 stores a cache of query names that are known to be failing due to misconfigured name servers or a broken chain of trust. Under high query loads, when DNSSEC validation is active, it is possible for a condition to arise in which data from this cache of failing queries could be used before it was fully initialized, triggering an assertion failure.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?c3bf6815

Plugin Details

Severity: High

ID: 61443

File Name: freebsd_pkg_0f020b7be03311e190a2000c299b62e1.nasl

Version: 1.12

Type: local

Published: 8/7/2012

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: 7.8

Temporal Score: 5.8

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/7/2012

Vulnerability Publication Date: 7/24/2012

Reference Information

CVE: CVE-2012-3817

BID: 54658

FreeBSD: SA-12:05.bind