CVE-2011-3869 Puppet arbitrary file overwrite

What is CVE-2011-3869?

CVE-2011-3869 is a medium-severity path traversal vulnerability in n/a, published on 27 Oct 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x allows local users to overwrite arbitrary files via a symlink attack on the .k5login file.

Weakness: CWE-59

Which versions are affected by CVE-2011-3869?

4 open source packages ship an affected version, including puppet. It affects 2 products.

Products include Puppet Puppet, Puppetlabs Puppet.

How do I fix CVE-2011-3869?

Upgrade puppet to a fixed version for your release line: 2.6.11 or 2.7.5.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2011-3869 being exploited?

There is no known exploitation of CVE-2011-3869 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2016-2785 Puppet Improper Access Control Critical 9.8
• CVE-2021-27021 SQL injection in Puppet DB High 8.8
• CVE-2018-6513 Privilege escalation in Puppet Enterprise and Puppet Agent High 8.8
• CVE-2018-6514 Privilege escalation in Puppet Agent High 7.8
• CVE-2018-6515 Code injection in Puppet Agent High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2011-3869, GHSA-8c56-v25w-f89c.