CVE-2023-0838
MEDIUM severity · CVSS 5.5 · Information disclosure
5.5CVSS MEDIUM
Summary
An issue has been discovered in GitLab affecting versions starting from 15.1 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. A maintainer could modify a webhook URL to leak masked webhook secrets by adding a new parameter to the url. This addresses an incomplete fix for CVE-2022-4342.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0838.jsonAdvisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0838.jsonAdvisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/391685
- https://hackerone.com/reports/1871136
- https://gitlab.com/gitlab-org/gitlab/-/issues/391685
- https://hackerone.com/reports/1871136