CVE-2017-8301
medium
CVSS v3
5.3
CVSS v4 NEW
—
VIR risk
5.3
Description
LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.
Predictions
Exploit likelihood
63%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- http://seclists.org/oss-sec/2017/q2/145
- http://www.securityfocus.com/bid/98076
- https://github.com/libressl-portable/portable/issues/307
- https://trac.nginx.org/nginx/ticket/1257
- http://seclists.org/oss-sec/2017/q2/145
- http://www.securityfocus.com/bid/98076
- https://github.com/libressl-portable/portable/issues/307
- https://trac.nginx.org/nginx/ticket/1257
CWEs
CWE-295
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.