Path traversal in Puppet Agent - CVE-2011-3848
Published: October 27, 2011 / Updated: December 8, 2022
Vulnerability identifier: #VU44555
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3848
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Puppet Labs
Affected software:
Puppet Agent
Puppet Agent
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in Puppet 2.6.x before 2.6.10 and 2.7.x before 2.7.4. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to write X.509 Certificate Signing Request (CSR) to arbitrary locations via (1) a double-encoded key parameter in the URI in 2.7.x, (2) the CN in the Subject of a CSR in 2.6 and 0.25.
How to mitigate CVE-2011-3848
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00033.html
- http://secunia.com/advisories/46628
- http://www.debian.org/security/2011/dsa-2314
- http://www.ubuntu.com/usn/USN-1217-1
- https://groups.google.com/group/puppet-announce/browse_thread/thread/e57ce2740feb9406
- https://puppet.com/security/cve/cve-2011-3848