Vulnerability Details : CVE-2018-1116
A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.
Vulnerability category: BypassGain privilegeDenial of serviceInformation leak
Products affected by CVE-2018-1116
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1116
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1116
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:P |
3.9
|
4.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
1.2
|
3.4
|
Red Hat, Inc. | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
1.8
|
2.5
|
NIST |
CWE ids for CVE-2018-1116
-
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.Assigned by: secalert@redhat.com (Secondary)
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1116
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116
1595404 – (CVE-2018-1116) CVE-2018-1116 polkit: Improper authorization in polkit_backend_interactive_authority_check_authorization function in polkitdIssue Tracking;Patch
-
https://security.gentoo.org/glsa/201908-14
polkit: Multiple vulnerabilities (GLSA 201908-14) — Gentoo securityThird Party Advisory
-
https://usn.ubuntu.com/3717-2/
USN-3717-2: PolicyKit vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html
[SECURITY] [DLA-1448-1] policykit-1 security updateMailing List;Third Party Advisory
-
https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364
polkit - Authorization Manager (mirrored from https://gitlab.freedesktop.org/polkit/polkit)Patch;Third Party Advisory
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