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Vulnerability Details : 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.
Publish Date : 2012-01-03 Last Update Date : 2017-08-29
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 264

- Products Affected By CVE-2011-4197

# Product Type Vendor Product Version Update Edition Language
1 Application Pfsense Pfsense * * * * Version Details Vulnerabilities
2 Application Pfsense Pfsense 1.0.x * * * Version Details Vulnerabilities
3 Application Pfsense Pfsense 1.2.1 * * * Version Details Vulnerabilities
4 Application Pfsense Pfsense 1.2.2 * * * Version Details Vulnerabilities
5 Application Pfsense Pfsense 1.2.3 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Pfsense Pfsense 5

- References For CVE-2011-4197

https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e CONFIRM
http://secunia.com/advisories/46780
SECUNIA 46780
https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894 CONFIRM
https://www.trustmatta.com/advisories/MATTA-2011-001.txt
http://www.osvdb.org/77982
OSVDB 77982
http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
BUGTRAQ 20111222 [MATTA-2011-001] pfSense x509 Insecure Certificate Creation
http://www.securityfocus.com/bid/51169
BID 51169 pfSense Cross Site Scripting and Security Bypass Vulnerabilities Release Date:2012-01-10
https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
XF pfsense-x509-security-bypass(71969)

- Metasploit Modules Related To CVE-2011-4197

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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