WebMod Content-Length buffer overflow

webmod-contentlength-bo (32755) The risk level is classified as HighHigh 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.

Platforms Affected:

  • djeyl.net, WebMod 0.48 and prior

Remedy:

No remedy available as of July 4, 2009.

Consequences:

Gain Access

References:

  • Cybermind Web site, WebMod Stack Buffer Overflow at http://cybermind.user.stfunoob.com/w48crash/.
  • djeyl.net Web site, WebMod at http://djeyl.net/w.php.
  • 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

Reported:

Mar 01, 2007

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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

Return to the main page