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CVE-2011-4197

Date: January 3, 2012

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.

Language: PHP

Severity Score

Related Resources (10)

http://www.osvdb.org/77982
https://www.trustmatta.com/advisories/MATTA-2011-001.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
http://secunia.com/advisories/46780
http://www.securityfocus.com/bid/51169
https://nvd.nist.gov/vuln/detail/CVE-2011-4197
https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
https://www.mend.io/vulnerability-database/CVE-2011-4197

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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