Encrypt-Then-Mac renegotiation crash (OpenSSL OpenSSL)
At a glance
- Source
- NVD
- EPSS
- EPSS 12.87 % · percentile 96 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- openssl
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-20 — Improper Input Validation
References
- http://www.securityfocus.com/bid/96269
- https://www.openssl.org/news/secadv/20170216.txt
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2
- http://www.securitytracker.com/id/1037846
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | HIGH 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2017-12850
- GCVE · GCVE-0-2017-3733
CERT-FR advisories
- CERTFR-2017-AVI-368 — Multiples vulnérabilités dans Oracle Virtualization · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*cpe:2.3:a:openssl:openssl:1.1.0b:*:*:*:*:*:*:*cpe:2.3:a:openssl:openssl:1.1.0c:*:*:*:*:*:*:*cpe:2.3:a:openssl:openssl:1.1.0d:*:*:*:*:*:*:*cpe:2.3:a:hp:operations_agent:11.14:*:*:*:*:*:*:*cpe:2.3:a:hp:operations_agent:11.15:*:*:*:*:*:*:*
Affected products
| 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 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |