PT-2021-4086 · Gitlab · Gitlab Ce/Ee+1

Subbotin · Published 2021-01-05 · Updated 2024-03-06 · CVE-2021-22218

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 12.8 through 13.10.4 GitLab CE/EE versions 13.11 through 13.11.4 GitLab CE/EE versions 13.12 through 13.12.1

Description The issue is related to errors in the x509 certificate authentication procedure, which could be exploited by a remote attacker to impact data integrity. This could allow an attacker to spoof the author of signed commits.

Recommendations For versions 12.8 through 13.10.4, update to version 13.10.5 or later. For versions 13.11 through 13.11.4, update to version 13.11.5 or later. For versions 13.12 through 13.12.1, update to version 13.12.2 or later.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

BDU:2021-04664

BIT-GITLAB-2021-22218

CVE-2021-22218

Affected Products

Gitlab

Gitlab Ce/Ee

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2021-22218 · Security Note
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22218 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-22218 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04664 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2021-22218 · Vendor Advisory
• https://t.me/cvenotify/33599 · Telegram Post
• https://gitlab.com/gitlab-org/gitlab/-/issues/297665 · Note
• https://hackerone.com/reports/1077019 · Note