Vulnerability Monitor

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CVE-2009-2299

The Artofdefence Hyperguard Web Application Firewall (WAF) module before 2.5.5-11635, 3.0 before 3.0.3-11636, and 3.1 before 3.1.1-11637, a module for the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via an HTTP request with a large Content-Length value but no POST data.

Security Impact Summary

CVE-2009-2299 is a security vulnerability that . Impacting 2 products from hyperguard_web_application_firewall_project, from apache organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-07-02T10:30:00.407

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hyperguard_web_application_firewall_project	hyperguard_web_application_firewall	< 2.5.5-11635	Yes
Application	hyperguard_web_application_firewall_project	hyperguard_web_application_firewall	< 3.0.3-11636	Yes
Application	hyperguard_web_application_firewall_project	hyperguard_web_application_firewall	< 3.1.1-11637	Yes
Application	apache	http_server	*	No

References

http://secunia.com/advisories/35645 Third Party Advisory ([email protected])
http://www.h4ck1nb3rg.at/wafs/advisory_artofdefence_hyperguard_200907.txt Broken Link ([email protected])
http://www.securityfocus.com/archive/1/504680/100/0/threaded Third Party Advisory, VDB Entry ([email protected])
http://secunia.com/advisories/35645 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.h4ck1nb3rg.at/wafs/advisory_artofdefence_hyperguard_200907.txt Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/504680/100/0/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hyperguard_web_application_firewall_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.