In browser editing in Atlassian Bitbucket Server from version 4.13.0 before 5.4.8 (the fixed version for 4.13.0 through 5.4.7), 5.5.0 before 5.5.8 (the fixed version for 5.5.x), 5.6.0 before 5.6.5 (the fixed version for 5.6.x), 5.7.0 before 5.7.3 (the fixed version for 5.7.x), and 5.8.0 before 5.8.2 (the fixed version for 5.8.x), allows authenticated users to gain remote code execution using the in browser editing feature via editing a symbolic link within a repository.
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Bitbucket | Atlassian | 4.13.0 (including) | 5.4.8 (excluding) |
| Bitbucket | Atlassian | 5.5.0 (excluding) | 5.5.8 (excluding) |
| Bitbucket | Atlassian | 5.6.0 (including) | 5.6.5 (excluding) |
| Bitbucket | Atlassian | 5.7.0 (including) | 5.7.3 (excluding) |
| Bitbucket | Atlassian | 5.8.0 (including) | 5.8.2 (excluding) |