CVE-2017-17716

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Summary

CVECVE-2017-17716
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-17 17:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionGitLab 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.

Risk And Classification

Primary CVSS: v3.0 5.9 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000870000 probability, percentile 0.248290000 (date 2026-05-18)

Problem Types: CWE-295 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gitlab Gitlab 9.4.0 All All All
Application Gitlab Gitlab 9.4.0 rc1 All All
Application Gitlab Gitlab 9.4.0 rc2 All All
Application Gitlab Gitlab 9.4.0 rc3 All All
Application Gitlab Gitlab 9.4.0 rc4 All All
Application Gitlab Gitlab 9.4.0 rc5 All All
Application Gitlab Gitlab 9.4.0 rc6 All All
Application Gitlab Gitlab 9.4.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
GitLab LDAP integration vulnerable to MITM attack (#30420) · Issues · GitLab.org / GitLab FOSS · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.com Issue Tracking, Patch, Vendor Advisory
GitLab Patch Release: 9.4.2 | GitLab af854a3a-2127-422b-91ae-364da2661108 about.gitlab.com Issue Tracking, Vendor Advisory
GitLab 9.4 Released with Related Issues and Web Application Monitoring | GitLab af854a3a-2127-422b-91ae-364da2661108 about.gitlab.com Issue Tracking, Vendor Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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