Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2621

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
28/07/2009
Last modified:
09/04/2025

Description

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce "buffer limits and related bound checks," which allows remote attackers to cause a denial of service via (1) an incomplete request or (2) a request with a large header size, related to (a) HttpMsg.cc and (b) client_side.cc.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:squid-cache:squid:3.0:*:pre1:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre2:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre3:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre4:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre5:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre6:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:pre7:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable1:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable10:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable11:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable12:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable13:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable14:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable15:*:*:*:*:*
cpe:2.3:a:squid-cache:squid:3.0:*:stable2:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools