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CVE-2017-3733

Published: May 4, 2017

Modified: Sep 16, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
OpenSSL	OpenSSL	affected `openssl-1.1.0` affected `openssl-1.1.0a` affected `openssl-1.1.0b` affected `openssl-1.1.0c` affected `openssl-1.1.0d`

References

vdb-entry

x_refsource_BID

https://www.openssl.org/news/secadv/20170216.txt

x_refsource_CONFIRM

http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

x_refsource_CONFIRM

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us

x_refsource_CONFIRM

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

x_refsource_CONFIRM

https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2

x_refsource_MISC

vdb-entry

x_refsource_SECTRACK

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

x_refsource_MISC

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