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

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80211

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3915

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote administrator can gain internal access through group service account.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitLab Enterprise Edition: 16.1.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-released/

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Information disclosure

EUVDB-ID: #VU80212

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4378

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to excessive data output by the application in the Sentry error tracking settings page. A remote administrator can change the configured URL and leak the sentry token.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 11.8.0 - 16.3.0

GitLab Enterprise Edition: 11.8.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-released/

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Cleartext storage of sensitive information

EUVDB-ID: #VU80213

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3950

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

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

The vulnerability exists due to cleartext storage of sensitive information. A remote administrator can see the Public Key for a Google Cloud Logging audit event streaming destination.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitLab Enterprise Edition: 16.2.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-released/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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: #VU80214

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4630

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 excessive data output by the application in the project import endpoint. 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: 10.6 - 16.3.0

GitLab Enterprise Edition: 10.6.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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) Information disclosure

EUVDB-ID: #VU80215

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4343

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 excessive data output by the application. A remote user can leak credentials stored in site profile.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitLab Enterprise Edition: 13.12.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

6) Open redirect

EUVDB-ID: #VU80216

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1279

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote user can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 0.1.5 - 16.3.0

GitLab Enterprise Edition: 6.2.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

7) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80217

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-2023-4638

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper permission validation. A remote user can fork a project outside of current group.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 13.3.0 - 16.3.0

GitLab Enterprise Edition: 13.3.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

8) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80218

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-2023-4018

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper permission validation. A remote user can create model experiments in public projects.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 16.2.0 - 16.3.0

GitLab Enterprise Edition: 16.2.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

9) Incorrect Regular Expression

EUVDB-ID: #VU80219

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3205

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 when processing regular expressions in bulk import API. A remote user 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: 15.11.0 - 16.3.0

GitLab Enterprise Edition: 15.11.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

10) Input validation error

EUVDB-ID: #VU80220

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4647

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to the projects API pagination can be skipped. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 15.3.0 - 16.3.0

GitLab Enterprise Edition: 15.3.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

11) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80221

Risk: Low

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

CVE-ID: CVE-2023-0120

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper permission validation. A remote user can edit labels description.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 10.0 - 16.3.0

GitLab Enterprise Edition: 10.0.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-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.

12) Improper access control

EUVDB-ID: #VU80222

Risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1555

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

The vulnerability exists due to improper access restrictions. A remote administrator after being banned can access the API and delete package registries.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 15.2.0 - 16.3.0

GitLab Enterprise Edition: 15.2.0 - 16.3.0

CPE2.3

External links

http://about.gitlab.com/releases/2023/08/31/security-release-gitlab-16-3-1-released/

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

Risk	Medium
Patch available	YES
Number of vulnerabilities	12
CVE-ID	CVE-2023-3915 CVE-2023-4378 CVE-2023-3950 CVE-2023-4630 CVE-2022-4343 CVE-2023-1279 CVE-2023-4638 CVE-2023-4018 CVE-2023-3205 CVE-2023-4647 CVE-2023-0120 CVE-2023-1555
CWE-ID	CWE-264 CWE-200 CWE-312 CWE-601 CWE-185 CWE-20 CWE-284
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	GitLab Enterprise Edition Universal components / Libraries / Software for developers Gitlab Community Edition Universal components / Libraries / Software for developers
Vendor	GitLab, Inc