CVE-2011-4197

etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.

Score

CVSS 2.0 7.5 High

Status

Modified - cve@mitre.org

Published

2012-01-03

Last modified

2024-08-07

Weaknesses

CWE-264

Affected products

• Pfsense (Pfsense)

References

• http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
• http://secunia.com/advisories/46780
• http://www.osvdb.org/77982
• http://www.securityfocus.com/bid/51169
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
• https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
• https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
• https://www.trustmatta.com/advisories/MATTA-2011-001.txt