Acunetix HTTP Content-Length denial of service

acunetix-content-length-dos (31279)

Medium Risk

Description:

Acunetix is vulnerable to a denial of service caused by improper validation of the HTTP Content-Length field. A remote attacker could exploit this vulnerability to cause the application to crash by sending a specially-crafted packet containing an invalid Content-Length field.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.7
Exploitability:	Proof-Of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Acunetix (4.0 Build 20060717 or later), available from the Acunetix Web site. See References.

References:

• Acutnetix Web site: Web application security: Acunetix web vulnerability scanner.
• BID-21898: Acunetix Web Vulnerability Scanner Remote Denial of Service Vulnerability
• CVE-2007-0120: Acunetix Web Vulnerability Scanner (WVS) 4.0 Build 20060717 and earlier allows remote attackers to cause a denial of service (application crash) via multiple HTTP requests containing invalid Content-Length values.
• OSVDB ID: 37580: Acunetix Web Vulnerability Scanner (WVS) Invalid Content-Length HTTP Request DoS

Platforms Affected:

• Acunetix Acunetix prior to 4.0 2006071

Reported:

Jan 04, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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