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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2017-12850 | 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
History
No history.
Status: PUBLISHED
Assigner: openssl
Published:
Updated: 2024-09-16T16:18:03.381Z
Reserved: 2016-12-16T00:00:00.000Z
Link: CVE-2017-3733
No data.
Status : Modified
Published: 2017-05-04T19:29:00.430
Modified: 2026-05-13T00:24:29.033
Link: CVE-2017-3733
OpenCVE Enrichment
No data.
Weaknesses
EUVD