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

Family: SMTP Servers

Published: 8/18/2004

Updated: 3/6/2019

Nessus ID: 11347

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.8

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

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 8.2

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

Temporal Vector: CVSS:3.0/E:F/RL:U/RC:X

Vulnerability Information

CPE: cpe:/a:eric_allman:sendmail

Reference Information

CVE: CVE-1999-0131

BID: 717