mattermost/mattermost · Security
Mattermost Server has X.509 Improper Certificate Validation
- GHSA ID
- GHSA-m462-mqw4-2c8m
- CVE ID
- CVE-2017-18911
- Severity
- critical
- Published
- Updated
- CVSS
- 9.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS v3
- 9.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server.
CWEs
- CWE-295 · Improper Certificate Validation
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18911 ↗
- https://github.com/mattermost/mattermost/commit/222bce0c5c1abb2f58c3a6de1fe8c5d3accffb21 ↗
- https://github.com/mattermost/mattermost/commit/691c18157025d4808b5b11de1d6de01050e54fa6 ↗
- https://github.com/mattermost/mattermost/commit/e9bb8cdfb4915067349a4840ab15ff941c4eb070 ↗
- https://mattermost.com/security-updates ↗
- https://github.com/advisories/GHSA-m462-mqw4-2c8m ↗