// For flags

CVE-2023-3906

Improper Input Validation in GitLab

Severity Score

3.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.

Un problema de validación de entrada en el proxy de activos en GitLab EE, que afectó a todas las versiones desde 12.3 anterior a 16.2.8, 16.3 anterior a 16.3.5 y 16.4 anterior a 16.4.1, permitió a un atacante autenticado crear URL de imágenes que omitían el activo apoderado.

*Credits: Thanks [afewgoats](https://hackerone.com/afewgoats) for reporting this vulnerability through our HackerOne bug bounty program
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-07-25 CVE Reserved
  • 2023-09-29 CVE Published
  • 2024-08-29 EPSS Updated
  • 2024-09-18 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-1333: Inefficient Regular Expression Complexity
CAPEC
References (1)
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"
>= 12.3 < 16.2.8
Search vendor "Gitlab" for product "Gitlab" and version " >= 12.3 < 16.2.8"
community
Affected
Gitlab
Search vendor "Gitlab"
Gitlab
Search vendor "Gitlab" for product "Gitlab"
>= 12.3 < 16.2.8
Search vendor "Gitlab" for product "Gitlab" and version " >= 12.3 < 16.2.8"
enterprise
Affected
Gitlab
Search vendor "Gitlab"
Gitlab
Search vendor "Gitlab" for product "Gitlab"
>= 16.3.0 < 16.3.5
Search vendor "Gitlab" for product "Gitlab" and version " >= 16.3.0 < 16.3.5"
community
Affected
Gitlab
Search vendor "Gitlab"
Gitlab
Search vendor "Gitlab" for product "Gitlab"
>= 16.3.0 < 16.3.5
Search vendor "Gitlab" for product "Gitlab" and version " >= 16.3.0 < 16.3.5"
enterprise
Affected
Gitlab
Search vendor "Gitlab"
Gitlab
Search vendor "Gitlab" for product "Gitlab"
16.4.0
Search vendor "Gitlab" for product "Gitlab" and version "16.4.0"
community
Affected
Gitlab
Search vendor "Gitlab"
Gitlab
Search vendor "Gitlab" for product "Gitlab"
16.4.0
Search vendor "Gitlab" for product "Gitlab" and version "16.4.0"
enterprise
Affected