Squid 3.x < 3.0.STABLE18 / 3.1.x < DoS

Medium Nessus Network Monitor Plugin ID 5108


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


According to its banner, the version of the Squid proxy caching server installed on the remote host is older than 3.0.STABLE17 or Such versions reportedly use incorrect bounds checking when processing some requests or responses. Squid-2.x releases are not vulnerable.


Either upgrade to Squid version 3.0.STABLE17 or or later or apply the patch referenced in the project's advisory above.

See Also


Plugin Details

Severity: Medium

ID: 5108

Family: Web Servers

Published: 2009/07/29

Updated: 2019/03/06

Dependencies: 3389

Nessus ID: 40420

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 4.1

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

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

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.9

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:F/RL:O/RC:C

Vulnerability Information

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

Patch Publication Date: 2009/07/27

Vulnerability Publication Date: 2009/07/27

Reference Information

CVE: CVE-2009-2621, CVE-2009-2622

BID: 35812