CVE-2023-3994
Inefficient Regular Expression Complexity in GitLab
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.
Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones a partir de la 9.3 antes de la 16.0.8, todas las versiones a partir de la 16.1 antes de la 16.1.3, todas las versiones a partir de la 16.2 antes de la 16.2.2. Una Denegación de Servicio de Expresión Regular era posible a través del envío de payloads elaborados que utilizan ProjectReferenceFilter al endpoint preview_markdown.
*Credits:
Thanks [ryhmnlfj](https://hackerone.com/ryhmnlfj) for reporting this vulnerability through our HackerOne bug bounty program
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-07-28 CVE Reserved
- 2023-08-02 CVE Published
- 2024-09-03 EPSS Updated
- 2024-10-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
- CWE-1333: Inefficient Regular Expression Complexity
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/416225 | Broken Link |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 9.3 < 16.0.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 9.3 < 16.0.8" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 9.3 < 16.0.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 9.3 < 16.0.8" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 16.1 < 16.1.3 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.1 < 16.1.3" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 16.1 < 16.1.3 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.1 < 16.1.3" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 16.2 < 16.2.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.2 < 16.2.2" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 16.2 < 16.2.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.2 < 16.2.2" | enterprise |
Affected
| ||||||