CVE-2017-3733

Encrypt-Then-Mac renegotiation crash

8Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackepss 13%

probabilidad de explotación

13%top 4% de las CVE

explotación observada

noninguna fuente lo reporta

During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers are affected.

Productos afectados

OpenSSL · OpenSSL

Referencias

https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2 https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us https://www.openssl.org/news/secadv/20170216.txt https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.securityfocus.com/bid/96269 http://www.securitytracker.com/id/1037846