PT-2021-22755 · Gitlab · Gitlab Ce/Ee+1

Vaib25Vicky · Published 2021-11-04 · Updated 2024-03-06 · CVE-2021-39909

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab EE versions 11.3 through 14.2.6 GitLab EE versions 14.3 through 14.3.4 GitLab EE versions 14.4 through 14.4.1

Description The issue is related to a lack of email address ownership verification in the CODEOWNERS feature. This allows an attacker to bypass the CODEOWNERS Merge Request approval requirement under rare circumstances.

Recommendations For versions 11.3 through 14.2.6, update to version 14.2.6 or later. For versions 14.3 through 14.3.4, update to version 14.3.4 or later. For versions 14.4 through 14.4.1, update to version 14.4.1 or later.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BIT-GITLAB-2021-39909

CVE-2021-39909

Affected Products

Gitlab

Gitlab Ce/Ee

References · 8

• https://osv.dev/vulnerability/CVE-2021-39909 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39909 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2021-39909 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/335191 · Note
• https://t.me/cvenotify/23005 · Telegram Post
• https://hackerone.com/reports/1237750 · Note
• https://t.me/cvenotify/23019 · Telegram Post