The SSLVerifySignedServerKeyExchange function in libsecurity_ssl/lib/sslKeyExchange.c in the Secure Transport feature in the Data Security…
apple·CWE-295·Published 2014-02-22
The SSLVerifySignedServerKeyExchange function in libsecurity_ssl/lib/sslKeyExchange.c in the Secure Transport feature in the Data Security component in Apple iOS 6.x before 6.1.6 and 7.x before 7.0.6, Apple TV 6.x before 6.0.2, and Apple OS X 10.9.x before 10.9.2 does not check the signature in a TLS Server Key Exchange message, which allows man-in-the-middle attackers to spoof SSL servers by (1) using an arbitrary private key for the signing step or (2) omitting the signing step.
The SSLVerifySignedServerKeyExchange function in libsecurity_ssl/lib/sslKeyExchange.c in the Secure Transport feature in the Data Security component in Apple iOS 6.x before 6.1.6 and 7.x before 7.0.6, Apple TV 6.x before 6.0.2, and Apple OS X 10.9.x before 10.9.2 does not check the signature in a TLS Server Key Exchange message, which allows man-in-the-middle attackers to spoof SSL servers by (1) using an arbitrary private key for the signing step or (2) omitting the signing step.
La función SSLVerifySignedServerKeyExchange en libsecurity_ssl/lib/sslKeyExchange.c la funcionalidad Secure Transport en el componente Data Security en Apple iOS 6.x anterior a 6.1.6 y 7.x anterior a 7.0.6, Apple TV 6.x anterior a 6.0.2 y Apple OS X 10.9.x anterior a 10.9.2 no comprueba la firma en un mensaje TLS Server Key Exchange, lo que permite a atacantes man-in-the-middle falsificar servidores SSL mediante (1) el uso de una clave privada arbitraria para el paso de la firma o (2) la omisión del paso de la firma.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 5.8 | 8.6 | 4.9 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| 3.1 | Primary | NVD | 7.4 | 2.2 | 5.2 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |