Squid 3.1.6 DNS Replay DoS

Medium Nessus Network Monitor Plugin ID 5666


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


Squid 3.1.6 is potentially affected by a denial of service vulnerability that is caused by an assertion failure when contacting IPv4-only DNS resolvers.


Upgrade to Squid 3.1.7 or later.

See Also



Plugin Details

Severity: Medium

ID: 5666

Family: Web Servers

Published: 2010/09/16

Updated: 2019/03/06

Dependencies: 3389

Nessus ID: 48433

Risk Information

Risk Factor: Medium

CVSS v2.0

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

CVSS v3.0

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:squid-cache:squid

Patch Publication Date: 2010/08/24

Vulnerability Publication Date: 2010/08/24

Reference Information

CVE: CVE-2010-2951

BID: 42645