CVE-2012-1988 Puppet Arbitrary Command Execution

What is CVE-2012-1988?

CVE-2012-1988 is a medium-severity command injection vulnerability in Canonical Ubuntu Linux, published on 29 May 2012. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows remote authenticated users with agent SSL keys and file-creation permissions on the puppet master to execute arbitrary commands by creating a file whose full pathname contains shell metacharacters, then performing a filebucket request.

Weakness: CWE-78

Which versions are affected by CVE-2012-1988?

4 open source packages ship an affected version, including puppet. It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Puppet Puppet, Puppet Puppet Enterprise.

How do I fix CVE-2012-1988?

Upgrade puppet to a fixed version for your release line: 2.6.15 or 2.7.13.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2012-1988 being exploited?

There is no known exploitation of CVE-2012-1988 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2012-1988, GHSA-6xxq-j39w-g3f6.