GitLab: Privilege Defined With Unsafe Actions
CVE-2024-8631 is a high-severity privilege defined with unsafe actions vulnerability in GitLab, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. The record lists versions 17.1.7, 17.2.5, 17.3.2 as the first without the flaw, so updating GitLab to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.53% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update GitLab to 17.1.7 or 17.2.5 or 17.3.2, whichever matches your release line, or a later version.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| GitLab | GitLab | 16.6 up to, but not including, 17.1.7; 17.2 up to, but not including, 17.2.5; 17.3 up to, but not including, 17.3.2 | 17.1.7, 17.2.5, 17.3.2 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.5 | Medium | CNA (gitlab.com) |
| CVSS 3.1 | 7.2 | High | NVD |
Official description
A privilege escalation issue has been discovered in GitLab EE affecting all versions starting from 16.6 prior to 17.1.7, from 17.2 prior to 17.2.5, and from 17.3 prior to 17.3.2. A user assigned the Admin Group Member custom role could have escalated their privileges to include other custom roles.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Privilege Defined With Unsafe Actions
A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity.
How developers prevent this class of flaw
- Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
- Run your code using the lowest privileges that are required to accomplish the necessary tasks. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
More Privilege Defined With Unsafe Actions vulnerabilities (CWE-267)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
Other references
- hackerone.com/reports/2478469Permissions Required
Other vulnerabilities in GitLab
- 7.1 High severity
- 8.2 High severity
- 7.5 High severity
- 10.0 Critical severity
- 10.0 Critical severity
- 7.3 High severity
Recent Privilege Defined With Unsafe Actions vulnerabilities
- 8.8 High severity
- 8.8 High severity
- 8.7 High severity
- 7.8 High severity
- 8.0 High severity
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