CVE-2023-6502

Public Exploit
Inefficient Regular Expression Complexity in GitLab

Description

A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafted wiki page.

Remediation

Solution:

  • Upgrade to versions 16.10.6, 16.11.3, 17.0.1 or above.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.67% Top 30%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/433534 issue tracking broken link permissions required
https://hackerone.com/reports/2263638 exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-6502?
CVE-2023-6502 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6502?
To fix CVE-2023-6502: Upgrade to versions 16.10.6, 16.11.3, 17.0.1 or above.
Is CVE-2023-6502 being actively exploited in the wild?
It is possible that CVE-2023-6502 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6502?
CVE-2023-6502 affects GitLab GitLab.
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