The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Fast_cgi | Fast_cgi_project | 0.70 (including) | 0.73 (including) |
| Libfcgi-perl | Ubuntu | maverick | * |
| Libfcgi-perl | Ubuntu | natty | * |
| Libfcgi-perl | Ubuntu | oneiric | * |
| Libfcgi-perl | Ubuntu | upstream | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479
- http://www.debian.org/security/2011/dsa-2327
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:001
- http://www.openwall.com/lists/oss-security/2011/09/08/1
- http://www.openwall.com/lists/oss-security/2011/09/08/2
- http://www.securityfocus.com/bid/49549
- https://bugzilla.redhat.com/show_bug.cgi?id=736604
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69709
- https://hermes.opensuse.org/messages/13154637
- https://hermes.opensuse.org/messages/13155253
- https://rt.cpan.org/Public/Bug/Display.html?id=68380
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479
- http://www.debian.org/security/2011/dsa-2327
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:001
- http://www.openwall.com/lists/oss-security/2011/09/08/1
- http://www.openwall.com/lists/oss-security/2011/09/08/2
- http://www.securityfocus.com/bid/49549
- https://bugzilla.redhat.com/show_bug.cgi?id=736604
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69709
- https://hermes.opensuse.org/messages/13154637
- https://hermes.opensuse.org/messages/13155253
- https://rt.cpan.org/Public/Bug/Display.html?id=68380