FKIE_CVE-2014-3569
Vulnerability from fkie_nvd - Published: 2014-12-24 11:59 - Updated: 2026-06-17 00:08
Severity
Summary
The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected handshake, as demonstrated by an SSLv3 handshake to a no-ssl3 application with certain error handling. NOTE: this issue became relevant after the CVE-2014-3568 fix.
References
{
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"value": "The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected handshake, as demonstrated by an SSLv3 handshake to a no-ssl3 application with certain error handling. NOTE: this issue became relevant after the CVE-2014-3568 fix."
},
{
"lang": "es",
"value": "La funci\u00f3n ssl23_get_client_hello en s23_srvr.c en OpenSSL 0.9.8zc, 1.0.0o y 1.0.1j no maneja adecuadamente los intentos de utilizar protocolos no soportados, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda de demonio) a trav\u00e9s de un apret\u00f3n de manos no esperado, seg\u00fan lo demostrado por un apret\u00f3n de manos SSLv3 a una aplicaci\u00f3n no-ssl3 con ciertos manejos de errores. NOTA: este problema se volvi\u00f3 relevante despu\u00e9s de la correcci\u00f3n de CVE-2014-3568."
}
],
"evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/476.html\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e",
"id": "CVE-2014-3569",
"lastModified": "2026-06-17T00:08:31.250",
"metrics": {
"cvssMetricV2": [
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"exploitabilityScore": 10.0,
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"published": "2014-12-24T11:59:00.057",
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{
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