Web Crossing Content-Length header denial of service
| webcrossing-contentlength-post-dos (15022) |  Low Risk |
Description:
Web Crossing is vulnerable to a denial of service attack. A remote attacker can send a specially-crafted HTTP POST request with a large or negative number in the Content-Length header to cause the server to crash.
Platforms Affected:
- Web Crossing, Web Crossing 4.0
- Web Crossing, Web Crossing 5.0
Remedy:
Upgrade to the latest version of Web Crossing (5.0 dated 2/9/04 or later), available from the Web Crossing Web site. See References.
Consequences:
Denial of Service
References:
- VulnWatch Mailing List, Tue Feb 03 2004 - 14:08:07 CST, Web Crossing 4.x/5.x Denial of Service Vulnerability at http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0026.html.
- Web Crossing Web site, v5.0 09FEB04 at http://wci.webcrossing.com/cgi-bin/webx.cgi?50@113.bOo7aXzZgMn.2@.f6f3987.
- WebCrossing Web site, Web Crossing - Server Protocols at http://www.webcrossing.com/.
- BID-9576: Web Crossing Web Server Component Remote Denial Of Service Vulnerability
- CVE-2004-0245: Web Crossing 4.x and 5.x allows remote attackers to cause a denial of service (crash) by sending a HTTP POST request with a large or negative Content-Length, which causes an integer divide-by-zero.
Reported:
Feb 03, 2004
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