Sendmail < 8.10.0 mail.local Newline Handling Remote DoS

medium Nessus Plugin ID 11351

Synopsis

The remote host has an application that is affected by a denial of service vulnerability.

Description

mail.local in the remote Sendmail server, according to its version number, does not properly identify the .\n string which identifies the end of message text, which allows a remote attacker to cause a denial of service or corrupt mailboxes via a message line that is 2047 characters long and ends in .\n.

Solution

Install Sendmail version 8.10.0 and higher, or install a vendor supplied patch.

Plugin Details

Severity: Medium

ID: 11351

File Name: sendmail_maillocal_dos.nasl

Version: 1.18

Type: remote

Published: 3/11/2003

Updated: 9/17/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2000-0319

CVSS v3

Risk Factor: Medium

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: CVSS:3.0/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

Vulnerability Publication Date: 4/24/2000

Reference Information

CVE: CVE-2000-0319

BID: 1146