CVE-2017-3733
HIGHOpenSSL 1.1.0-1.1.0d - Denial of Service via Encrypt-Then-Mac Renegotiation
Title source: llmDescription
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.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96269
Vendor Advisory x_refsource_confirm
https://www.openssl.org/news/secadv/20170216.txt
Third Party Advisory, VDB Entry x_refsource_confirm
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1037846
Patch x_refsource_misc
https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Vendor Advisory x_refsource_misc
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Scores
CVSS v3
7.5
EPSS
0.0310
EPSS Percentile
87.0%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (12)
hp/operations_agent
11.14
hp/operations_agent
11.15
openssl/openssl
1.1.0
openssl/openssl
1.1.0a
openssl/openssl
1.1.0b
openssl/openssl
1.1.0c
openssl/openssl
1.1.0d
OpenSSL/OpenSSL
openssl-1.1.0
OpenSSL/OpenSSL
openssl-1.1.0a
OpenSSL/OpenSSL
openssl-1.1.0b
... and 2 more
Published
May 04, 2017
Tracked Since
Feb 18, 2026