Description
The CD-burning feature in backup-manager 0.5.8 and earlier uses a fixed filename in a world-writable directory for logging, which allows local users to overwrite files via a symlink attack.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | backup-manager | 0.5.8-2 | — |
| Debian 13 | backup-manager | 0.5.8-2 | — |
| Debian 12 | backup-manager | 0.5.8-2 | — |
| Debian 3.1 | backup-manager | 0.5.7-1sarge1 | DSA-787-1 |
Advisories 1
- DSA-787-1 backup-manager - insecure permissions and tempfile Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-787 vendor-advisory