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GLSA-200608-06 : Courier MTA: Denial of Service vulnerability

high Nessus Plugin ID 22148

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-200608-06 (Courier MTA: Denial of Service vulnerability)

 Courier MTA has fixed a security issue relating to usernames containing the '=' character, causing high CPU utilization.
 Impact :

 An attacker could exploit this vulnerability by sending a specially crafted email to a mail gateway running a vulnerable version of Courier MTA.
 Workaround :

 There is no known workaround at this time.

Solution

All Courier MTA users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=mail-mta/courier-0.53.2'

See Also

https://security.gentoo.org/glsa/200608-06

Plugin Details

Severity: High

ID: 22148

File Name: gentoo_GLSA-200608-06.nasl

Version: 1.15

Type: local

Published: 8/4/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:courier, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 8/4/2006

Vulnerability Publication Date: 6/8/2006

Reference Information

CVE: CVE-2006-2659

GLSA: 200608-06