The Catalina org.apache.catalina.connector.http package in Tomcat 4.0.x up to 4.0.6 allows remote attackers to cause a denial of service via several requests that do not follow the HTTP protocol, which causes Tomcat to reject later requests.

References

• https://nvd.nist.gov/vuln/detail/CVE-2003-0866
• https://exchange.xforce.ibmcloud.com/vulnerabilities/13429
• https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3E
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=215506
• http://secunia.com/advisories/30899
• http://secunia.com/advisories/30908
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-239312-1
• http://tomcat.apache.org/security-4.html
• http://www.debian.org/security/2003/dsa-395
• http://www.securityfocus.com/bid/8824
• http://www.vupen.com/english/advisories/2008/1979/references