Pi3Web HTTP Server HTTP request denial of service
| pi3web-http-dos (33967) |  Low Risk |
Description:
Pi3Web HTTP Server is vulnerable to a denial of service when handling HTTP requests. By sending an overly long specially-crafted HTTP request composed of multiple "\A" characters, a remote attacker could exploit this vulnerability to cause a denial of service.
Platforms Affected:
- Holger Zimmermann and John Roy, pi3Web 2.0.3 PL1
Remedy:
Upgrade to the latest version of Pi3Web (PL2 or later), available from the Pi3 Web page. See References.
Consequences:
Denial of Service
References:
- Pi3 Web page, Welcome to Pi3.org at http://pi3web.sourceforge.net/.
- BID-23713: Pi3Web Overly Long HTTP Request Denial Of Service Vulnerability
- CVE-2007-2415: Pi3Web Web Server 2.0.3 PL1 allows remote attackers to cause a denial of service (application exit) via a long URI. NOTE: this issue was originally reported as a crash, but the vendor states that the impact is a clean exit in which the server I/O loop finishes and the process exits normally.
- SA25009: Pi3Web HTTP Request Processing Denial of Service Vulnerability
- VUPEN/ADV-2007-1579: Pi3Web Long HTTP Request Handling Remote Denial of Service Vulnerability
Reported:
Apr 30, 2007
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