Vulnerability in GitLab

CVE-2017-17716

GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a verify_certificates LDAP option was mentioned in the 9.4 release announcement. This issue occurred because code was not merged. This is related to use of the omniauth-ldap library and the gitlab_omniauth-ldap gem.

Vulnerability class: Improper Certificate Validation

EPSS: 0.009 (56.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Gitlab — versions 9.4.0, 9.4.1
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-17716?
CVE-2017-17716 is a medium-severity vulnerability in GitLab, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-12-17.
How severe is CVE-2017-17716?
Medium severity. CVSS v3 base score is 5.9 out of 10.