CVE-2017-3733: vulnerability in OpenSSL
Encrypt-Then-Mac renegotiation crash
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 13%
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.
Affected products
OpenSSL · OpenSSLRelated CVEs — OpenSSL
In the same product, most dangerous first.
CVE-2022-2068CRITICALThe c_rehash script allows command injectionEPSS 96.4%CVE-2022-3786HIGHX.509 Email Address Variable Length Buffer OverflowEPSS 92.5%CVE-2022-3602HIGHX.509 Email Address 4-byte Buffer OverflowEPSS 90.8%CVE-2021-3711—SM2 Decryption Buffer OverflowEPSS 87.8%CVE-2022-1292CRITICALThe c_rehash script allows command injectionEPSS 82.6%CVE-2023-2650MEDIUMPossible DoS translating ASN.1 object identifiersEPSS 75.4%
References
https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_ushttps://www.openssl.org/news/secadv/20170216.txthttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlhttp://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlhttp://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlhttp://www.securityfocus.com/bid/96269http://www.securitytracker.com/id/1037846