CVE-2011-2766
Last modified
CVE-2011-2766 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.24% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fast Cgi Project | Fast Cgi | >= 0.70, <= 0.73 |
| Debian | Debian Linux | 5.0 |
| Debian | Debian Linux | 6.0 |
| Debian | Debian Linux | 7.0 |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479Exploit, Issue Tracking, Mailing List, Third Party Advisory
- http://www.debian.org/security/2011/dsa-2327Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:001Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/09/08/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/09/08/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/49549Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=736604Exploit, Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69709Third Party Advisory, VDB Entry
- https://rt.cpan.org/Public/Bug/Display.html?id=68380Exploit, Patch, Third Party Advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479Exploit, Issue Tracking, Mailing List, Third Party Advisory
- http://www.debian.org/security/2011/dsa-2327Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:001Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/09/08/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/09/08/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/49549Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=736604Exploit, Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69709Third Party Advisory, VDB Entry
- https://rt.cpan.org/Public/Bug/Display.html?id=68380Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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