PT-2021-22760 · Gitlab · Gitlab

Dan Jensen · Published 2021-11-04 · Updated 2024-03-06 · CVE-2021-39914

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab versions 8.13 to 14.2.5 GitLab versions 14.3.0 to 14.3.3 GitLab versions 14.4.0

Description A regular expression denial of service issue could cause excessive usage of resources when a specially crafted username was used when provisioning a new user.

Recommendations For GitLab versions 8.13 to 14.2.5, update to a version outside of this range to resolve the issue. For GitLab versions 14.3.0 to 14.3.3, update to a version outside of this range to resolve the issue. For GitLab version 14.4.0, update to a version outside of this range to resolve the issue. As a temporary workaround, consider restricting the use of specially crafted usernames when provisioning new users until a patch is available.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BIT-GITLAB-2021-39914

CVE-2021-39914

Affected Products

Gitlab

References · 10

• https://cve.org/CVERecord?id=CVE-2021-39914 · Security Note
• https://ubuntu.com/security/CVE-2021-39914 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39914 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2021-39914 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39914 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39914 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json · Vendor Advisory
• https://t.me/cvenotify/22999 · Telegram Post
• https://gitlab.com/gitlab-org/gitlab/-/issues/289948 · Note
• https://t.me/cibsecurity/31863 · Telegram Post