It was found that Polkit's CheckAuthorization and RegisterAuthenticationAgent D-Bus calls did not validate the client provided UID. A specially crafted program could use this flaw to submit arbitrary UIDs, triggering various denial of service or minor disclosures, such as which authentication is cached in the victim's session.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 2 - Core | polkit | 2020-06-16 18:05 | ALAS2-2020-1437 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 4.4 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
NVD | CVSSv2 | 3.6 | AV:L/AC:L/Au:N/C:P/I:N/A:P |
NVD | CVSSv3 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |