CVE-2017-8301

published 2017-04-27

CVE-2017-8301: 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…

Priority P4 20 medium 5.3 CVSS 3.0

AV N AC H PR N UI R S U C N I H A N

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.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
openbsd	libressl	—	—
openbsd	libressl	—	—
openbsd	libressl	—	—
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1
openbsd	libressl	>= 0 < 2.5.3-r1	2.5.3-r1

CVSS provenance

nvd v3.0 5.3 MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

nvd v2.0 2.6 LOW AV:N/AC:H/Au:N/C:N/I:P/A:N

osv 5.3 MEDIUM

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CWE-295