Summary
It was discovered that Schroot incorrectly handled certain Schroot names.
An attacker could possibly use this issue to break schroot's internal
state causing a denial of service.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | schroot | 1.6.10-4ubuntu0.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | schroot | 1.6.10-9ubuntu0.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | schroot | 1.6.10-12ubuntu3.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | schroot | 1.6.10-1ubuntu3+esm1 |
Vulnerabilities 1
-
Unscored —
stricter rules on chroot names
Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.
References
-
report
https://ubuntu.com/security/CVE-2022-2787