SB2011102702 - Path traversal in Puppet
Published: October 27, 2011 Updated: December 8, 2022
Security Bulletin ID
SB2011102702
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2011-3848)
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.
Remediation
Install update from vendor's website.
References
- 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