Sendmail -C Malformed Configuration Privilege Escalation

Medium Nessus Plugin ID 11086

Synopsis

The remote server is vulnerable to a privilege escalation attack.

Description

The remote Sendmail server, according to its version number, may be vulnerable to a 'Mail System Compromise' when a user supplies a custom configuration file.

Although the mail server is supposed to run as a non-privileged user, a programming error allows the local attacker to regain the extra dropped privileges and run commands as root.

Solution

Upgrade to the latest version of Sendmail.

Plugin Details

Severity: Medium

ID: 11086

File Name: sendmail_custom_config.nasl

Version: 1.22

Type: remote

Published: 2002/08/18

Updated: 2018/09/17

Dependencies: 111549

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2001-0713

CVSS v2.0

Base Score: 4.6

Temporal Score: 3.4

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

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

CVSS v3.0

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:sendmail:sendmail

Required KB Items: installed_sw/Sendmail

Exploit Available: false

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2001/10/01

Reference Information

CVE: CVE-2001-0713

BID: 3377