WebMod Content-Length buffer overflow

webmod-contentlength-bo (32755)

High Risk

Description:

WebMod is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the connectHandle() function. By sending an HTTP POST request containing a specially-crafted value in the Content-Length header, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

*CVSS:

Base Score:	7
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	6
Exploitability:	Proof-Of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of February 6, 2010.

References:

• Cybermind Web site: WebMod Stack Buffer Overflow.
• djeyl.net Web site: WebMod.
• BID-22788: WebMod Content Length Stack Buffer Overflow Vulnerability
• CVE-2007-1260: Stack-based buffer overflow in the connectHandle function in server.cpp in WebMod 0.48 allows remote attackers to execute arbitrary code via a long string in the Content-Length HTTP header.
• SA24346: WebMod "Content-Length" Buffer Overflow Vulnerability

Platforms Affected:

• djeyl.net WebMod 0.48 and prior

Reported:

Mar 01, 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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