Gitlab Community Edition version 10.3 is vulnerable to a path traversal issue in the GitLab CI runner component resulting in remote code execution.
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
| Link | Tags |
|---|---|
| https://www.debian.org/security/2018/dsa-4145 | third party advisory vendor advisory |
| https://hackerone.com/reports/301432 | permissions required |
| https://about.gitlab.com/2018/01/16/gitlab-10-dot-3-dot-4-released/ | vendor advisory |