Description
An issue was discovered in Amanda 3.3.1. A user with backup privileges can trivially compromise a client installation. Amstar is an Amanda Application API script. It should not be run by users directly. It uses star to backup and restore data. It runs binaries with root permissions when parsing the command line argument --star-path.
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 | amanda | 1:3.3.9-1 | — |
| Debian 13 | amanda | 1:3.3.9-1 | — |
| Debian 12 | amanda | 1:3.3.9-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | amanda | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | amanda +3 | 3.3.9-1.amzn2.0.1 | ALAS2-2023-2218 |
Advisories 1
- ALAS2-2023-2218 Moderate: amanda security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 23, 2023
References
- 39244 exploit