PT-2021-14886 · Gitlab · Gitlab

Ngalog · Published 2021-01-15 · Updated 2024-03-06 · CVE-2021-22171

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: GitLab versions 11.5 and later

Description: The issue is related to insufficient validation of authentication parameters in GitLab Pages, allowing an attacker to steal a victim's API token if they click on a maliciously crafted link.

Recommendations: For GitLab versions 11.5 and later, update to a version that includes the fix for this issue to prevent API token theft. As a temporary workaround, consider restricting access to GitLab Pages until the issue is resolved. Avoid clicking on suspicious links to minimize the risk of exploitation.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BIT-GITLAB-2021-22171

CVE-2021-22171

Affected Products

Gitlab

References · 10

• https://ubuntu.com/security/CVE-2021-22171 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-22171 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-22171 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22171.json · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2021-22171 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22171 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22171 · Security Note
• https://t.me/cibsecurity/22216 · Telegram Post
• https://hackerone.com/reports/718460 · Note
• https://gitlab.com/gitlab-org/gitlab-pages/-/issues/262 · Note