CVE-2017-8301

CVSS V2 Low 2.6 CVSS V3 Medium 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.
Overview
  • CVE ID
  • CVE-2017-8301
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-04-27T17:59:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-295 http://cwe.mitre.org/data/definitions/295.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openbsd:libressl:2.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:libressl:2.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:libressl:2.5.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:H/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • HIGH
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 2.6
  • Severity
  • LOW
  • Exploitability Score
  • 4.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://trac.nginx.org/nginx/ticket/1257 Issue Tracking Patch Third Party Advisory
https://github.com/libressl-portable/portable/issues/307 Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/98076 Third Party Advisory VDB Entry
http://seclists.org/oss-sec/2017/q2/145 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-8301
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8301
History
Created Old Value New Value Data Type Notes
2022-05-10 17:28:55 Added to TrackCVE
2022-12-02 16:27:19 2017-04-27T17:59Z 2017-04-27T17:59:00 CVE Published Date updated
2022-12-02 16:27:19 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-02 16:27:19 Analyzed Vulnerability Status updated