Sander Bos discovered Apports lock file was in a world-writable directory which allowed all users to prevent crash handling.
Weakness
The product properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Apport | Apport_project | - (including) | - (including) |
| Apport | Ubuntu | bionic | * |
| Apport | Ubuntu | devel | * |
| Apport | Ubuntu | disco | * |
| Apport | Ubuntu | eoan | * |
| Apport | Ubuntu | esm-infra-legacy/trusty | * |
| Apport | Ubuntu | esm-infra/bionic | * |
| Apport | Ubuntu | esm-infra/xenial | * |
| Apport | Ubuntu | trusty | * |
| Apport | Ubuntu | trusty/esm | * |
| Apport | Ubuntu | xenial | * |