What is the severity of CVE-2023-6678?

CVE-2023-6678 has been classified as a moderate severity vulnerability due to its potential to cause denial of service.

How do I fix CVE-2023-6678?

To remediate CVE-2023-6678, you should upgrade to GitLab EE version 16.8.6 or later, 16.9.4 or later, or 16.10.2 or later.

Which versions of GitLab EE are affected by CVE-2023-6678?

CVE-2023-6678 affects all GitLab EE versions before 16.8.6, and versions from 16.9 up to but not including 16.9.4, and from 16.10 up to but not including 16.10.2.

What type of attack can exploit CVE-2023-6678?

CVE-2023-6678 can be exploited through a denial of service attack using maliciously crafted content in a JUnit test.

Is CVE-2023-6678 specific to certain GitLab installations?

CVE-2023-6678 specifically impacts GitLab EE installations and not the Community Edition.

Vulnerability/
CVE-2023-6678

medium

6.5

CWE

1333

12/4/2024

11/12/2024

CVE-2023-6678: Inefficient Regular Expression Complexity in GitLab

First published: Fri Apr 12 2024(Updated: )

An issue has been discovered in GitLab EE affecting all versions before 16.8.6, all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. It was possible for an attacker to cause a denial of service using malicious crafted content in a junit test report file.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	<16.8.6
GitLab	>=16.9.0<16.9.4
GitLab	>=16.10.0<16.10.2

Remedy

Upgrade to versions 16.10.2, 16.9.4, 16.8.6 or above.

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-6678?
CVE-2023-6678 has been classified as a moderate severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2023-6678?
To remediate CVE-2023-6678, you should upgrade to GitLab EE version 16.8.6 or later, 16.9.4 or later, or 16.10.2 or later.
Which versions of GitLab EE are affected by CVE-2023-6678?
CVE-2023-6678 affects all GitLab EE versions before 16.8.6, and versions from 16.9 up to but not including 16.9.4, and from 16.10 up to but not including 16.10.2.
What type of attack can exploit CVE-2023-6678?
CVE-2023-6678 can be exploited through a denial of service attack using maliciously crafted content in a JUnit test.
Is CVE-2023-6678 specific to certain GitLab installations?
CVE-2023-6678 specifically impacts GitLab EE installations and not the Community Edition.

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