CVE-2023-5106

Incorrect Authorization in GitLab

Description

An issue has been discovered in Ultimate-licensed GitLab EE affecting all versions starting 13.12 prior to 16.2.8, 16.3.0 prior to 16.3.5, and 16.4.0 prior to 16.4.1 that could allow an attacker to impersonate users in CI pipelines through direct transfer group imports.

Remediation

Solution:

  • Upgrade to version 16.2.8, 16.3.5, 16.4.1. If it is not viable to immediately upgrade to a patched version, risk of exploitation can be mitigated by ensuring the [Migrate groups by direct transfer](https://docs.gitlab.com/ee/user/group/import/index.html#migrate-groups-by-direct-transfer-recommended) feature is disabled until GitLab has been upgraded.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/commit/67039cfcae80b8fc0496f79be88714873cd169b3 patch
https://gitlab.com/gitlab-org/security/gitlab/-/issues/980 permissions required

Frequently Asked Questions

What is the severity of CVE-2023-5106?
CVE-2023-5106 has been scored as a high severity vulnerability.
How to fix CVE-2023-5106?
To fix CVE-2023-5106: Upgrade to version 16.2.8, 16.3.5, 16.4.1. If it is not viable to immediately upgrade to a patched version, risk of exploitation can be mitigated by ensuring the [Migrate groups by direct transfer](https://docs.gitlab.com/ee/user/group/import/index.html#migrate-groups-by-direct-transfer-recommended) feature is disabled until GitLab has been upgraded.
Is CVE-2023-5106 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5106 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5106?
CVE-2023-5106 affects GitLab GitLab.
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