MaraDNS 2.0.x < 2.0.05 Hash Collision Zone File Record Local DoS

low Nessus Plugin ID 73482
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The DNS server running on the remote host is affected by a denial of service vulnerability.

Description

According to its self-reported version number, the MaraDNS server running on the remote host is affected by a hash collision issue when parsing records in zone files. This issue could allow a local attacker to cause a denial of service.

Solution

Upgrade to MaraDNS version 2.0.05 or later.

See Also

http://samiam.org/blog/20120212.html

http://maradns.samiam.org/security.html

Plugin Details

Severity: Low

ID: 73482

File Name: maradns_2_0_05.nasl

Version: 1.4

Type: remote

Family: DNS

Published: 4/11/2014

Updated: 11/26/2019

Dependencies: maradns_version.nasl

Configuration: Enable paranoid mode

Risk Information

VPR

Risk Factor: Low

Score: 2.7

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

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

Vulnerability Information

CPE: cpe:/a:maradns:maradns

Required KB Items: maradns/version, maradns/num_ver, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2012

Vulnerability Publication Date: 2/12/2012

Reference Information

CVE: CVE-2011-5056