Vulnerability CVE-2011-2766
Published: 2011-09-23   Modified: 2012-02-13

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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Sven verdoolaege -> FCGI 
PERL -> PERL 

 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
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