Courier Mail Server < 0.50.1 SPF Data Lookup Remote DoS

Low Nessus Network Monitor Plugin ID 3048

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote host is running Courier Mail Server, an open source mail server for Linux and Unix. The installed version of Courier is prone to a remote denial of service vulnerability associated with Sender Policy Framework (SPF) data lookups. To exploit this flaw, an attacker would need to control a DNS server and return malicious SPF records in response to queries from the affected application.

Solution

Upgrade to version 0.50.1 or higher.

Plugin Details

Severity: Low

ID: 3048

Family: SMTP Servers

Published: 2005/07/05

Modified: 2016/11/23

Dependencies: 2004, 2005

Nessus ID: 18620

Risk Information

Risk Factor: Low

CVSSv2

Base Score: 2.6

Temporal Score: 1.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSSv3

Base Score: 3.6

Temporal Score: 3.1

Vector: CVSS3#AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS3#E:U/RL:O/RC:C

Reference Information

CVE: CVE-2005-2151

BID: 14135