PT-2021-22772 · Gitlab · Gitlab Ce/Ee+1

Hashkitten · Published 2021-12-13 · Updated 2024-03-06 · CVE-2021-39933

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 12.10 through 14.3.6 GitLab CE/EE versions 14.4 through 14.4.4 GitLab CE/EE versions 14.5 through 14.5.2

Description A regular expression used for handling user input, such as notes and comments, was susceptible to catastrophic backtracking, which could cause a denial-of-service (DOS) attack.

Recommendations For versions 12.10 through 14.3.6, update to version 14.3.6 or later. For versions 14.4 through 14.4.4, update to version 14.4.4 or later. For versions 14.5 through 14.5.2, update to version 14.5.2 or later.

Fix

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

BIT-GITLAB-2021-39933

CVE-2021-39933

Affected Products

Gitlab

Gitlab Ce/Ee

References · 10

• https://osv.dev/vulnerability/CVE-2021-39933 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39933 · Security Note
• https://ubuntu.com/security/CVE-2021-39933 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39933 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39933 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2021-39933 · Vendor Advisory
• https://hackerone.com/reports/1320077 · Note
• https://t.me/cibsecurity/33840 · Telegram Post
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39933.json · Note
• https://gitlab.com/gitlab-org/gitlab/-/issues/340449 · Note