CVE-2011-2766

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 49%
VendorProductVersion
fast_cgi_projectfast_cgi
0.70 ≤
𝑥
≤ 0.73
debiandebian_linux
5.0
debiandebian_linux
6.0
debiandebian_linux
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libfcgi-perl
bullseye
0.79+ds-2
fixed
lenny
not-affected
bookworm
0.82+ds-2
fixed
sid
0.82+ds-3
fixed
trixie
0.82+ds-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libfcgi-perl
raring
not-affected
quantal
not-affected
precise
not-affected
oneiric
ignored
natty
Fixed 0.71-1+squeeze1build0.11.04.1
released
maverick
Fixed 0.71-1+squeeze1build0.10.10.1
released
lucid
not-affected
hardy
not-affected
Common Weakness Enumeration
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