CVE-2011-1923

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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:polarssl:polarssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "59B6C69D-4016-48A8-97C7-2C1F44FFB2F6", "versionEndIncluding": "0.14.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:*", "matchCriteriaId": "21684D8F-C925-4BBE-A9E5-3799C84BDB13", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:*", "matchCriteriaId": "7CE3EE93-6274-4996-A843-D2DF3249E06C", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:*", "matchCriteriaId": "0DBD7490-815C-4E93-AD6C-5BBF1E3D6AD6", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:*", "matchCriteriaId": "D3C08BCF-F438-4862-B93A-76282A4129D8", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.12.0:*:*:*:*:*:*:*", "matchCriteriaId": "DA654207-3F1A-4737-AA1C-523DBD420D2A", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.12.1:*:*:*:*:*:*:*", "matchCriteriaId": "09D1B837-15DB-4A37-AF13-9FE6D894C084", "vulnerable": true}, {"criteria": "cpe:2.3:a:polarssl:polarssl:0.13.1:*:*:*:*:*:*:*", "matchCriteriaId": "CEA214D9-E535-4F68-9A23-504121748700", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095."}, {"lang": "es", "value": "La implementaci\u00f3n de intercambio de claves Diffie-Hellman en dhm.c en PolarSSL antes de v0.14.2, no valida correctamente un par\u00e1metro p\u00fablico, lo que hace que sea m\u00e1s facil a atacantes man-in-the-middle el obtener la clave compartida modificando el tr\u00e1fico de red. Se trata de un problema relacionado con el CVE-2011-5095."}], "id": "CVE-2011-1923", "lastModified": "2026-06-16T23:30:22.387", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-06-20T17:55:01.433", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://polarssl.org/trac/wiki/SecurityAdvisory201101"}, {"source": "secalert@redhat.com", "url": "http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf"}, {"source": "secalert@redhat.com", "url": "http://www.nessus.org/plugins/index.php?view=single&id=53360"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/46670"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://polarssl.org/trac/wiki/SecurityAdvisory201101"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.nessus.org/plugins/index.php?view=single&id=53360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/46670"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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