AOL Instant Messenger Malformed ASCII Value Message DoS

Medium Nessus Network Monitor Plugin ID 1256

Synopsis

The remote host is vulnerable to a denial of service (DoS) attack

Description

The remote host is running AOL Instant Messenger (AIM). Versions prior to and including 3.5 of AIM do not properly handle coded ASCII symbols (&#XXX format) where XXX is a number greater than 255. AIM may crash if such a symbol is encountered resulting in a denial of service attack.

Solution

Upgrade to the latest version of AOL Instant Messenger.

Plugin Details

Severity: Medium

ID: 1256

File Name: 1256.prm

Published: 2004/08/20

Modified: 2016/02/05

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 4.3

Temporal Score: 3.2

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

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

CVSSv3

Base Score: 3.6

Temporal Score: 3.1

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

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

Vulnerability Information

CPE: cpe:/a:aol:aim

Reference Information

BID: 1810

OSVDB: 9531