CVE-2023-6386: gitlab DoS (CVSS 6.5)

Description

A denial of service vulnerability was identified in GitLab CE/EE, affecting all versions from 15.11 prior to 16.6.7, 16.7 prior to 16.7.5 and 16.8 prior to 16.8.2 which allows an attacker to spike the GitLab instance resource usage resulting in service degradation.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
gitlab	gitlab	15.11.0 — 16.6.7
gitlab	gitlab	15.11.0 — 16.6.7
gitlab	gitlab	16.7.0 — 16.7.5
gitlab	gitlab	16.7.0 — 16.7.5
gitlab	gitlab	16.8.0 — 16.8.2
gitlab	gitlab	16.8.0 — 16.8.2

References

Other References

https://gitlab.com/gitlab-org/gitlab/-/issues/433147 https://hackerone.com/reports/2261581

Frequently Asked Questions

What is CVE-2023-6386? +

A denial of service vulnerability was identified in GitLab CE/EE, affecting all versions from 15.11 prior to 16.6.7, 16.7 prior to 16.7.5 and 16.8 prior to 16.8.2 which allows an attacker to spike the GitLab instance resource usage resulting in service degradation. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-6386? +

CVE-2023-6386 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6386? +

CVE-2023-6386 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6386? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-6386