Squid < 2.5.STABLE11 sslConnectTimeout DoS

High Nessus Network Monitor Plugin ID 3206

Synopsis

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

Description

The remote Squid caching proxy, according to its version number, is vulnerable to an attack where the attacker can cause the Squid proxy to stop servicing valid service requests. The flaw is within the 'sslConnectTimeout' function and stems from the functions inability to parse user-supplied requests. Successful exploitation leads to a loss of availability.

Solution

Upgrade to version 2.5.STABLE11 or higher.

See Also

http://www.squid-cache.org/Versions/v2/2.5/bugs

http://www.nessus.org/u?12ff276c

Plugin Details

Severity: High

ID: 3206

File Name: 3206.prm

Family: Web Servers

Published: 2005/09/06

Modified: 2016/11/23

Dependencies: 3389

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:ND

CVSSv3

Base Score: 7.5

Temporal Score: 7.1

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

Temporal Vector: CVSS3#E:H/RL:O/RC:X

Vulnerability Information

CPE: cpe:/a:squid-cache:squid

Patch Publication Date: 2005/09/01

Vulnerability Publication Date: 2005/09/01

Reference Information

CVE: CVE-2005-2794, CVE-2005-2796

BID: 14731, 14761