CVE-2019-6133: Race Condition
First published: Tue Jan 08 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Polkit Project Polkit | =0.115 | |
| Debian Debian Linux | =8.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.6 | |
| Redhat Enterprise Linux Server Eus | =7.6 | |
| Redhat Enterprise Linux Server Tus | =7.6 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server Aus | =6.6 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 | |
| debian/policykit-1 | 0.105-31+deb11u1 122-3 125-2 |
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Reference Links
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1692
- https://git.kernel.org/linus/7b55851367136b1efd84d98fea81ba57a98304cf
- https://gitlab.freedesktop.org/polkit/polkit/commit/c898fdf4b1aafaa04f8ada9d73d77c8bb76e2f81
- https://gitlab.freedesktop.org/polkit/polkit/merge_requests/19
- http://www.securityfocus.com/bid/106537
- https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html
- https://access.redhat.com/errata/RHSA-2019:0230
- https://support.f5.com/csp/article/K22715344
- https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
- https://access.redhat.com/errata/RHSA-2019:0420
- https://access.redhat.com/errata/RHSA-2019:0832
- https://usn.ubuntu.com/3901-1/
- https://usn.ubuntu.com/3901-2/
- https://usn.ubuntu.com/3903-1/
- https://usn.ubuntu.com/3903-2/
- https://usn.ubuntu.com/3908-1/
- https://usn.ubuntu.com/3908-2/
- https://usn.ubuntu.com/3910-1/
- https://usn.ubuntu.com/3910-2/
- https://usn.ubuntu.com/3934-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00049.html
- https://usn.ubuntu.com/3934-2/
- https://access.redhat.com/errata/RHSA-2019:2699
- https://access.redhat.com/errata/RHSA-2019:2978
- https://launchpad.net/bugs/cve/CVE-2019-6133
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b55851367136b1efd84d98fea81ba57a98304cf
- https://gitlab.freedesktop.org/polkit/polkit/issues/75
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1667777
- https://bugzilla.redhat.com/show_bug.cgi?id=1664212
- https://security-tracker.debian.org/tracker/CVE-2019-6133
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6133
- https://nvd.nist.gov/vuln/detail/CVE-2019-6133
- https://ubuntu.com/security/CVE-2019-6133
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