Apache Tomcat AJP12 request denial of service
| tomcat-manager-ajp12-dos (19681) |  Low Risk |
Description:
Apache Tomcat is vulnerable to a denial of service attack, caused by improper handling of malformed requests in the AJP12 protocol. A remote attacker could send a specially-crafted malformed request to cause the server to stop processing legitimate requests.
Note: Cosminexus Server may also be affected by this vulnerability.
Platforms Affected:
- Apache, Tomcat 3.0
- Apache, Tomcat 3.1
- Apache, Tomcat 3.1.1
- Apache, Tomcat 3.2
- Apache, Tomcat 3.2.1
- Apache, Tomcat 3.2.2 Beta2
- Apache, Tomcat 3.2.3
- Apache, Tomcat 3.2.4
- Apache, Tomcat 3.3
- Apache, Tomcat 3.3.1
- Apache, Tomcat 3.3.1A
- Hitachi, Cosminexus Server 4.x
Remedy:
Upgrade to the latest version of Apache Tomcat (5.x or later), available from the Apache Jakarta Project Web site. See References.
For Cosminexus Server:
Apply the fix version 02-00-/M or later, available from the Hitachi Software Vulnerability Information HS05-006-01. See References.
Consequences:
Denial of Service
References:
- Apache Jakarta Project Web site, Apache Jakarta Tomcat at http://jakarta.apache.org/tomcat/.
- Hitachi Vulnerability Information: HS05-006-01, Non-response of Cosminexus Server Component Container for Java at http://www.hitachi-support.com/security_e/vuls_e/HS05-006_e/01-e.html.
- BID-12795: Apache Tomcat Remote Malformed Request Denial Of Service Vulnerability
- CVE-2005-0808: Apache Tomcat before 5.x allows remote attackers to cause a denial of service (application crash) via a crafted AJP12 packet to TCP port 8007.
- US-CERT VU#204710: Apache Tomcat fails to properly handle certain requests
Reported:
Mar 14, 2005
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