{"api_version":"1","generated_at":"2026-04-23T01:31:52+00:00","cve":"CVE-2013-4623","urls":{"html":"https://cve.report/CVE-2013-4623","api":"https://cve.report/api/cve/CVE-2013-4623.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2013-4623","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-4623"},"summary":{"title":"CVE-2013-4623","description":"The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2013-09-30 22:55:00","updated_at":"2013-10-31 03:35:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"http://www.debian.org/security/2013/dsa-2782","name":"DSA-2782","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-2782-1 polarssl","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03","name":"https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"PolarSSL Security Advisory 2013-03 - Tech Updates","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859","name":"https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859","refsource":"CONFIRM","tags":["Exploit","Patch"],"title":"ssl_parse_certificate() now calls x509parse_crt_der() directly · ARMmbed/mbedtls@1922a4e · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115927.html","name":"FEDORA-2013-16356","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 18 Update: polarssl-1.2.8-1.fc18","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115922.html","name":"FEDORA-2013-16317","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 19 Update: polarssl-1.2.8-1.fc19","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=997767","name":"https://bugzilla.redhat.com/show_bug.cgi?id=997767","refsource":"CONFIRM","tags":[],"title":"Bug 997767 – CVE-2013-4623 polarssl: denial of service (infinite loop) when parsing certain PEM encoded certificates","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116351.html","name":"FEDORA-2013-16258","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 20 Update: polarssl-1.2.8-1.fc20","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/61764","name":"61764","refsource":"BID","tags":[],"title":"PolarSSL Certificate Message Remote Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4623","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4623","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"rc0","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"rc1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.7","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"rc0","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.0","cpe7":"rc1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.1.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2013","cve_id":"4623","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"polarssl","cpe5":"polarssl","cpe6":"1.2.7","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2013-4623","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 x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"FEDORA-2013-16258","refsource":"FEDORA","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116351.html"},{"name":"https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03","refsource":"CONFIRM","url":"https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03"},{"name":"FEDORA-2013-16317","refsource":"FEDORA","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115922.html"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=997767","refsource":"CONFIRM","url":"https://bugzilla.redhat.com/show_bug.cgi?id=997767"},{"name":"FEDORA-2013-16356","refsource":"FEDORA","url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115927.html"},{"name":"https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859","refsource":"CONFIRM","url":"https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859"},{"name":"DSA-2782","refsource":"DEBIAN","url":"http://www.debian.org/security/2013/dsa-2782"},{"name":"61764","refsource":"BID","url":"http://www.securityfocus.com/bid/61764"}]}},"nvd":{"publishedDate":"2013-09-30 22:55:00","lastModifiedDate":"2013-10-31 03:35:00","problem_types":["CWE-20"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.4:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.6:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.3:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.4:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.2:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.6:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.3:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.1:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.2:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.7:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.2.5:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.0:rc1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.5:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.0:rc0:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:polarssl:polarssl:1.1.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2013","CveId":"4623","Ordinal":"64286","Title":"CVE-2013-4623","CVE":"CVE-2013-4623","Year":"2013"},"notes":[{"CveYear":"2013","CveId":"4623","Ordinal":"1","NoteData":"The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate.","Type":"Description","Title":null},{"CveYear":"2013","CveId":"4623","Ordinal":"2","NoteData":"2013-09-30","Type":"Other","Title":"Published"},{"CveYear":"2013","CveId":"4623","Ordinal":"3","NoteData":"2013-10-30","Type":"Other","Title":"Modified"}]}}}