DistUpgrade/DistUpgradeViewKDE.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file.
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 |
|---|---|---|---|
| Update-manager | Canonical | * | 1:0.87.24 (including) |
| Update-manager | Canonical | 1:0.134.7 (including) | 1:0.134.7 (including) |
| Update-manager | Canonical | 1:0.142.19 (including) | 1:0.142.19 (including) |
| Update-manager | Canonical | 1:0.150 (including) | 1:0.150 (including) |
| Update-manager | Canonical | 1:0.152.25 (including) | 1:0.152.25 (including) |
| Ubuntu_linux | Canonical | 8.04 (including) | 8.04 (including) |
| Ubuntu_linux | Canonical | 10.04 (including) | 10.04 (including) |
| Ubuntu_linux | Canonical | 10.10 (including) | 10.10 (including) |
| Ubuntu_linux | Canonical | 11.04 (including) | 11.04 (including) |
| Ubuntu_linux | Canonical | 11.10 (including) | 11.10 (including) |