Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)

1) Improper access control

EUVDB-ID: #VU88982

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4024

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with their Bitbucket account credentials can take over a GitLab account linked to another user's Bitbucket account, if Bitbucket is used as an OAuth 2.0 provider on GitLab.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 7.8 - 16.11.0

GitLab Enterprise Edition: 7.8.0 - 16.11.0

External links

http://about.gitlab.com/releases/2024/04/24/patch-release-gitlab-16-11-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Path traversal

EUVDB-ID: #VU88983

Risk: Medium

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2434

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and read arbitrary files on the system, leading to denial of service (DoS) attack..

Mitigation

Install update from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 0.1.5 - 16.11.0

GitLab Enterprise Edition: 6.2.0 - 16.11.0

External links

http://about.gitlab.com/releases/2024/04/24/patch-release-gitlab-16-11-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Incorrect Regular Expression

EUVDB-ID: #VU88984

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2829

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in FileFinder when using wildcard filters in project file search. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 12.5.0 - 16.11.0

GitLab Enterprise Edition: 12.5.0 - 16.11.0

External links

http://about.gitlab.com/releases/2024/04/24/patch-release-gitlab-16-11-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Information disclosure

EUVDB-ID: #VU88985

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4006

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the Personal Access Token scopes are not honoured by GraphQL subscriptions. A remote user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 16.7.0 - 16.11.0

GitLab Enterprise Edition: 16.7.0 - 16.11.0

External links

http://about.gitlab.com/releases/2024/04/24/patch-release-gitlab-16-11-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper access control

EUVDB-ID: #VU88986

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-1347

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can use a specially crafted email address and bypass domain based restrictions on an instance or a group.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 0.1.5 - 16.11.0

GitLab Enterprise Edition: 6.2.0 - 16.11.0

External links

http://about.gitlab.com/releases/2024/04/24/patch-release-gitlab-16-11-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.