What is CVE-2018-17455?

CVE-2018-17455 is a vulnerability in GitLab that allows attackers to access sensitive information through insecure direct object references.

What versions of GitLab are affected by CVE-2018-17455?

CVE-2018-17455 affects GitLab Enterprise Edition before 11.1.7, and GitLab Community Edition and Enterprise Edition between versions 11.2.0 and 11.2.4, as well as 11.3.0.

What is the potential impact of CVE-2018-17455?

The potential impact of CVE-2018-17455 includes unauthorized access to sensitive information such as group names, avatars, LDAP settings, and descriptions.

How do I fix CVE-2018-17455?

To fix CVE-2018-17455, upgrade to GitLab versions 11.1.7, 11.2.4, or 11.3.1 or later.

Is CVE-2018-17455 a critical vulnerability?

CVE-2018-17455 is classified as a medium-severity vulnerability due to the risk of information disclosure.

Vulnerability/
CVE-2018-17455

high

7.5

CWE

639

15/4/2023

6/2/2025

CVE-2018-17455

First published: Sat Apr 15 2023(Updated: )

An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
GitLab	<11.1.7
GitLab	<11.1.7
GitLab	>=11.2.0<11.2.4
GitLab	>=11.2.0<11.2.4
GitLab	=11.3.0
GitLab	=11.3.0
	<11.1.7
	<11.1.7
	>=11.2.0<11.2.4
	>=11.2.0<11.2.4
	=11.3.0
	=11.3.0

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Frequently Asked Questions

What is CVE-2018-17455?
CVE-2018-17455 is a vulnerability in GitLab that allows attackers to access sensitive information through insecure direct object references.
What versions of GitLab are affected by CVE-2018-17455?
CVE-2018-17455 affects GitLab Enterprise Edition before 11.1.7, and GitLab Community Edition and Enterprise Edition between versions 11.2.0 and 11.2.4, as well as 11.3.0.
What is the potential impact of CVE-2018-17455?
The potential impact of CVE-2018-17455 includes unauthorized access to sensitive information such as group names, avatars, LDAP settings, and descriptions.
How do I fix CVE-2018-17455?
To fix CVE-2018-17455, upgrade to GitLab versions 11.1.7, 11.2.4, or 11.3.1 or later.
Is CVE-2018-17455 a critical vulnerability?
CVE-2018-17455 is classified as a medium-severity vulnerability due to the risk of information disclosure.

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agent/tags
agent/softwarecombine
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vendor/gitlab
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version/gitlab/11.2.0
version/gitlab/11.3.0

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