MEDIUM

GHSA-qh3g-27jf-3j54

Puppet allows local users to modify the permissions of arbitrary files

Quick fix

GHSA-qh3g-27jf-3j54 — puppet: upgrade to the fixed version with the command below.

bundle update puppet

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

RubyGems/puppet

Introduced in: 2.7.0Fixed in: 2.7.5

Fixbundle update puppet

RubyGems/puppet

Introduced in: 0Fixed in: 2.6.11

Fixbundle update puppet

References

https://nvd.nist.gov/vuln/detail/CVE-2011-3870[ADVISORY]
https://github.com/puppetlabs/puppet/commit/88512e880bd2a03694b5fef42540dc7b3da05d30[WEB]
https://github.com/puppetlabs/puppet/commit/b29b1785d543a3cea961fffa9b3c15f14ab7cce0[WEB]
https://github.com/puppetlabs/puppet[PACKAGE]
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2011-3870.yml[WEB]
https://puppet.com/security/cve/cve-2011-3870[WEB]
http://groups.google.com/group/puppet-announce/browse_thread/thread/91e3b46d2328a1cb[WEB]
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068053.html[WEB]
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068061.html[WEB]
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068093.html[WEB]
http://www.debian.org/security/2011/dsa-2314[WEB]
http://www.ubuntu.com/usn/USN-1223-1[WEB]
http://www.ubuntu.com/usn/USN-1223-2[WEB]