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CVE-2002-0935: Apache Tomcat DoS Via Requests Including Null Characters

April 30, 2022 (updated February 12, 2024)

Apache Tomcat 4.0.3, and possibly other versions before 4.1.3 beta, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of requests to the server with null characters, which causes the working threads to hang.

References

  • github.com/advisories/GHSA-xmf4-j3j7-xj7q
  • lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3E
  • lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3E
  • nvd.nist.gov/vuln/detail/CVE-2002-0935
  • web.archive.org/web/20020822030311/http://www.iss.net/security_center/static/9396.php
  • web.archive.org/web/20021010182017/http://online.securityfocus.com/bid/5067
  • web.archive.org/web/20021116054924/http://online.securityfocus.com/archive/1/277940
  • web.archive.org/web/20070525180638/http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0120.html

Code Behaviors & Features

Detect and mitigate CVE-2002-0935 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 4.1.3-beta

Fixed versions

  • 4.1.3-beta

Solution

Upgrade to version 4.1.3-beta or above. *Note*: 4.1.3-beta may be an unstable version. Use caution.

Impact 5 MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Learn more about CVSS

Source file

maven/org.apache.tomcat/tomcat/CVE-2002-0935.yml

Spotted a mistake? Edit the file on GitLab.

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