Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2021-22209 CVE-2021-22206 CVE-2021-22210 CVE-2021-22208 CVE-2021-22211 |
| CWE-ID | CWE-285 CWE-200 CWE-20 CWE-264 CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Gitlab Community Edition Universal components / Libraries / Software for developers GitLab Enterprise Edition Universal components / Libraries / Software for developers |
| Vendor | GitLab, Inc |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Improper Authorization
EUVDB-ID: #VU52797
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22209
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to the affected software does not properly validating authorisation tokens. A remote attacker can execute mutations on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGitlab Community Edition: 13.8.0 - 13.11.1
GitLab Enterprise Edition: 13.8.0 - 13.11.1
External linkshttp://about.gitlab.com/releases/2021/04/28/security-release-gitlab-13-11-2-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.
2) Information disclosure
EUVDB-ID: #VU52798
Risk: Low
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22206
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote administrator can gain unauthorized access to sensitive information on the system, such as pull mirror credentials.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGitlab Community Edition: 11.6.0 - 13.11.1
GitLab Enterprise Edition: 11.6.0 - 13.11.1
External linkshttp://about.gitlab.com/releases/2021/04/28/security-release-gitlab-13-11-2-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) Input validation error
EUVDB-ID: #VU52799
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22210
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when querying the repository branches through API. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGitlab Community Edition: 13.2.0 - 13.11.1
GitLab Enterprise Edition: 13.2.0 - 13.11.1
External linkshttp://about.gitlab.com/releases/2021/04/28/security-release-gitlab-13-11-2-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) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU52800
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-2021-22208
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions. A remote authenticated attacker can change the timestamp for issue creation or update.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGitlab Community Edition: 13.5.0 - 13.11.1
GitLab Enterprise Edition: 13.5.0 - 13.11.1
External linkshttp://about.gitlab.com/releases/2021/04/28/security-release-gitlab-13-11-2-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: #VU52801
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22211
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Dependency Proxy. A remote authenticated attacker can impersonate a user with the same ID.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGitlab Community Edition: 13.7.0 - 13.11.1
GitLab Enterprise Edition: 13.7.0 - 13.11.1
External linkshttp://about.gitlab.com/releases/2021/04/28/security-release-gitlab-13-11-2-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.
