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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:2.2.17:*:*:*:*:*:*:*", "matchCriteriaId": "A71F4154-AD20-4EEA-9E2E-D3385C357DA5", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.18:*:*:*:*:*:*:*", "matchCriteriaId": "B0B8C9DB-401E-42B3-BAED-D09A96DE9A90", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.19:*:*:*:*:*:*:*", "matchCriteriaId": "062C20A0-05A0-4164-8330-DF6ADFE607F4", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.20:*:*:*:*:*:*:*", "matchCriteriaId": "D345BA35-93BB-406F-B5DC-86E49FB29C22", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.21:*:*:*:*:*:*:*", "matchCriteriaId": "7ED4892F-C829-4BEA-AB82-6A78F6F2426D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value."}, {"lang": "es", "value": "La funci\u00f3n log_cookie en mod_log_config.c en el m\u00f3dulo de mod_log_config en Apache HTTP Server v2.2.17 a v2.2.21, cuando se usa MPM multihilo , no controla correctamente una cadena de formato %{}C , lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de una cookie que carece de un nombre y un valor."}], "id": "CVE-2012-0021", "lastModified": "2026-06-16T23:36:30.433", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": 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{"affected_release": [{"advisory": "RHSA-2012:0542", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1::el5", "package": "httpd-0:2.2.17-15.4.ep5.el5", "product_name": "Red Hat JBoss Enterprise Web Server 1 for RHEL 5", "release_date": "2012-05-07T00:00:00Z"}, {"advisory": "RHSA-2012:0542", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1::el6", "package": "httpd-0:2.2.17-15.4.ep5.el6", "product_name": "Red Hat JBoss Enterprise Web Server 1 for RHEL 6", "release_date": "2012-05-07T00:00:00Z"}, {"advisory": "RHSA-2012:0543", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1.0", "product_name": "Red Hat JBoss Web Server 1.0", "release_date": "2012-05-07T00:00:00Z"}], "bugzilla": {"description": "httpd: NULL pointer dereference crash in mod_log_config", "id": "785065", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=785065"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-476", "details": ["The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value."], "name": "CVE-2012-0021", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-11-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-0021\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-0021"], "statement": "Not vulnerable. This issue did not affect the versions of httpd as shipped with Red Hat Enterprise Linux 4, 5, or 6.", "threat_severity": "Low"}

{}