Sendmail < 8.7.6 GECOS Field Local Overflow DoS

High Nessus Network Monitor Plugin ID 2044

Synopsis

The remote host is vulnerable to a flaw that allows attackers to retrieve sensitive files or data.

Description

The remote Sendmail server has a buffer overflow and a denial of service vulnerability in the way it uses the GECOS fields. A local attacker may exploit this flaw to escalate privileges on this host and gain a root shell.

Solution

Upgrade to Sendmail 8.7.6 or higher.

Plugin Details

Severity: High

ID: 2044

File Name: 2044.prm

Family: SMTP Servers

Published: 2004/08/18

Modified: 2016/11/23

Dependencies: 2046

Nessus ID: 11347

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.2

Temporal Score: 6.8

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

Temporal Vector: CVSS2#E:F/RL:U/RC:ND

CVSSv3

Base Score: 8.4

Temporal Score: 8.2

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

Temporal Vector: CVSS3#E:F/RL:U/RC:X

Reference Information

CVE: CVE-1999-0131

BID: 717

OSVDB: 1115