UBUNTU-CVE-2019-6133
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
02 / AFFECTED SOFTWARE
Affected packages
57 explicit affected versions
16 explicit affected versions
6 explicit affected versions
61 explicit affected versions
19 explicit affected versions
2 explicit affected versions
25 explicit affected versions
1 explicit affected versions
8 explicit affected versions
12 explicit affected versions
7 explicit affected versions
1 explicit affected versions
25 explicit affected versions
2 explicit affected versions
144 explicit affected versions
4 explicit affected versions
19 explicit affected versions
23 explicit affected versions
65 explicit affected versions
59 explicit affected versions
7 explicit affected versions
21 explicit affected versions
25 explicit affected versions
26 explicit affected versions
7 explicit affected versions
7 explicit affected versions
87 explicit affected versions
8 explicit affected versions
51 explicit affected versions
4 explicit affected versions
31 explicit affected versions
7 explicit affected versions
46 explicit affected versions
3 explicit affected versions
22 explicit affected versions
26 explicit affected versions
18 explicit affected versions
46 explicit affected versions
3 explicit affected versions
3 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/7b55851367136b1efd84d98fea81ba57a98304cf
- https://gitlab.freedesktop.org/polkit/polkit/merge_requests/19
- https://ubuntu.com/security/CVE-2019-6133
- https://ubuntu.com/security/notices/USN-3901-1
- https://ubuntu.com/security/notices/USN-3901-2
- https://ubuntu.com/security/notices/USN-3903-1
- https://ubuntu.com/security/notices/USN-3903-2
- https://ubuntu.com/security/notices/USN-3908-1
- https://ubuntu.com/security/notices/USN-3908-2
- https://ubuntu.com/security/notices/USN-3910-1
- https://ubuntu.com/security/notices/USN-3910-2
- https://ubuntu.com/security/notices/USN-3934-1
- https://ubuntu.com/security/notices/USN-3934-2
- https://www.cve.org/CVERecord?id=CVE-2019-6133