Cisco Linksys WRH54G router HTTP denial of service
| linksys-wrh54g-http-dos (42890) |  Low Risk |
Description:
The Cisco Linksys WRH54G router is vulnerable to a denial of service, caused by the improper handling of requests. By sending a specially-crafted HTTP request containing an overly long string and other characters, a remote attacker could exploit this vulnerability to crash the http service.
Platforms Affected:
- Linksys, WRH54G 1.01.03
Remedy:
Upgrade to the latest firmware version of the Cisco Linksys WRH54G router firmware (1.01.04 or later), available from the Linksys Web site. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Wed Jun 04 2008 - 21:55:33 CDT, Remote DoS vulnerability in Linksys WRH54G at http://archives.neohapsis.com/archives/bugtraq/2008-06/0056.html.
- Linksys Web site, WRH54G at http://www.linksys.com/servlet/Satellite?c=L_Product_C2&childpagename=US%2FLayout&cid=1175238794052&pagename=Linksys%2FCommon%2FVisitorWrapper&lid=9405239789B03.
- CVE-2008-2636: The HTTP service on the Cisco Linksys WRH54G with firmware 1.01.03 allows remote attackers to cause a denial of service (management interface outage) or possibly execute arbitrary code via a URI that begins with a /./ sequence, contains many instances of a front_page sequence, and ends with a .asp sequence.
- FrSIRT/ADV-2008-1772: Linksys WRH54G HTTP Interface Denial of Service Vulnerability
- SA30562: Linksys WRH54G Denial of Service Vulnerability
- SECTRACK ID: 1020237: Linksys WRH54G Router Management Interface Can Be Crashed By Remote Users
Reported:
Jun 04, 2008
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