Sendmail < 8.10.0 mail.local Newline Handling Remote DoS

Medium Nessus Network Monitor Plugin ID 2015

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote Sendmail server does not properly identiy the '.
' string which identifies the end of message text. An attacker may use this flaw to remotely corrupt user mailboxes by sending a message line which is 2047 characters long and end in '.
'.

Solution

Install sendmail 8.10.0 or higher.

Plugin Details

Severity: Medium

ID: 2015

File Name: 2015.prm

Family: SMTP Servers

Published: 2004/08/18

Modified: 2016/11/23

Dependencies: 2046

Nessus ID: 11351

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 3.7

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

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

CVSSv3

Base Score: 5.3

Temporal Score: 4.6

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

Temporal Vector: CVSS3#E:U/RL:O/RC:C

Reference Information

CVE: CVE-2000-0319

BID: 1146

OSVDB: 1299