{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-09-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-28T12:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"}, {"name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"}, {"name": "perlfast-cgi-security-bypass(69709)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"}, {"name": "openSUSE-SU-2012:0036", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "https://hermes.opensuse.org/messages/13155253"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"}, {"name": "49549", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/49549"}, {"name": "openSUSE-SU-2012:0004", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "https://hermes.opensuse.org/messages/13154637"}, {"name": "DSA-2327", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2011/dsa-2327"}, {"name": "MDVSA-2012:001", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-2766", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"}, {"name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479", "refsource": "CONFIRM", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"}, {"name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"}, {"name": "perlfast-cgi-security-bypass(69709)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=736604", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"}, {"name": "openSUSE-SU-2012:0036", "refsource": "SUSE", "url": "https://hermes.opensuse.org/messages/13155253"}, {"name": "https://rt.cpan.org/Public/Bug/Display.html?id=68380", "refsource": "CONFIRM", "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"}, {"name": "49549", "refsource": "BID", "url": "http://www.securityfocus.com/bid/49549"}, {"name": "openSUSE-SU-2012:0004", "refsource": "SUSE", "url": "https://hermes.opensuse.org/messages/13154637"}, {"name": "DSA-2327", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2011/dsa-2327"}, {"name": "MDVSA-2012:001", "refsource": "MANDRIVA", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:15:30.862Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"}, {"name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"}, {"name": "perlfast-cgi-security-bypass(69709)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"}, {"name": "openSUSE-SU-2012:0036", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "https://hermes.opensuse.org/messages/13155253"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"}, {"name": "49549", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/49549"}, {"name": "openSUSE-SU-2012:0004", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "https://hermes.opensuse.org/messages/13154637"}, {"name": "DSA-2327", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2011/dsa-2327"}, {"name": "MDVSA-2012:001", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-2766", "datePublished": "2011-09-23T10:00:00.000Z", "dateReserved": "2011-07-19T00:00:00.000Z", "dateUpdated": "2024-08-06T23:15:30.862Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fast_cgi_project:fast_cgi:*:*:*:*:*:perl:*:*", "matchCriteriaId": "16AEBF10-D97B-4BC0-AF31-892ECA37EB06", "versionEndIncluding": "0.73", "versionStartIncluding": "0.70", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "8C757774-08E7-40AA-B532-6F705C8F7639", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "036E8A89-7A16-411F-9D31-676313BB7244", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "El m\u00f3dulo FCGI (tambi\u00e9n conocido como Fast CGI) v0.70 hasta v0.73 para Perl, como se usa en CGI::Fast, usa valores de variables de entorno para una peticni\u00f3n durante el procesado de una petici\u00f3n posterior, lo que permite a atacantes remotos eludir la autenticaci\u00f3n a trav\u00e9s de cabeceras HTTP modificadas."}], "id": "CVE-2011-2766", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-09-23T10:55:03.240", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Mailing List", "Third Party Advisory"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2011/dsa-2327"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49549"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://hermes.opensuse.org/messages/13154637"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://hermes.opensuse.org/messages/13155253"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Mailing List", "Third Party Advisory"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2011/dsa-2327"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/49549"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://hermes.opensuse.org/messages/13154637"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://hermes.opensuse.org/messages/13155253"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}