Sendmail < 8.13.8 Header Processing Overflow DoS

medium Nessus Plugin ID 17724
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VPR Score: 2.2

Synopsis

The remote mail server is susceptible to a denial of service attack.

Description

The remote mail server is running a version of Sendmail earlier than 8.13.8. Such versions are reportedly affected by a use-after-free flaw that may allow an attacker to crash the server.

Solution

Upgrade to Sendmail 8.13.8 or later.

See Also

http://www.sendmail.org/releases/8.13.8.php

Plugin Details

Severity: Medium

ID: 17724

File Name: sendmail_8_13_8.nasl

Version: 1.8

Type: remote

Published: 11/18/2011

Updated: 9/17/2018

Dependencies: sendmail_detect.nbin

Risk Information

Risk Factor: Medium

VPR Score: 2.2

CVSS Score Source: CVE-2006-4434

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

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

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/a:sendmail:sendmail

Required KB Items: installed_sw/Sendmail

Exploit Ease: No known exploits are available

Patch Publication Date: 8/7/2006

Vulnerability Publication Date: 8/9/2006

Reference Information

CVE: CVE-2006-4434

BID: 19714