CVE-2021-39933

Published: Dic 13, 2021 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-26289 Aliases: GSD-2021-39933
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
MEDIUM 4,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: single
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression used for handling user input (notes, comments, etc) was susceptible to catastrophic backtracking that could cause a DOS attack.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0019
Percentile
0,4th
Updated

EPSS Score Trend (Last 90 Days)

1333

Inefficient Regular Expression Complexity

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 14.4.0 (inclusive)
To 14.4.4 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 12.10.0 (inclusive)
To 14.3.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 14.5.0 (inclusive)
To 14.5.2 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 14.4.0 (inclusive)
To 14.4.4 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 14.5.0 (inclusive)
To 14.5.2 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 12.10.0 (inclusive)
To 14.3.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2…
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39933.json
https://gitlab.com/gitlab-org/gitlab/-/issues/340449
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/340449
https://hackerone.com/reports/1320077
Permissions Required Third Party Advisory
https://hackerone.com/reports/1320077
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2…
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39933.json
https://gitlab.com/gitlab-org/gitlab/-/issues/340449
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/340449
https://hackerone.com/reports/1320077
Permissions Required Third Party Advisory
https://hackerone.com/reports/1320077