Vulnerability Details : CVE-2018-19788
Potential exploit
A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.
Vulnerability category: Input validation
Products affected by CVE-2018-19788
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:polkit_project:polkit:0.115:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-19788
58.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19788
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-19788
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19788
-
https://gitlab.freedesktop.org/polkit/polkit/issues/74
unprivileged users with UID > INT_MAX can successfully execute any systemctl command (#74) · Issues · polkit / polkit · GitLabExploit;Patch;Third Party Advisory
-
https://usn.ubuntu.com/3861-2/
USN-3861-2: PolicyKit vulnerability | Ubuntu security noticesThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3232
RHSA-2019:3232 - Security Advisory - Red Hat Customer Portal
-
https://security.gentoo.org/glsa/201908-14
polkit: Multiple vulnerabilities (GLSA 201908-14) — Gentoo security
-
https://access.redhat.com/errata/RHSA-2019:2046
RHSA-2019:2046 - Security Advisory - Red Hat Customer Portal
-
https://usn.ubuntu.com/3861-1/
USN-3861-1: PolicyKit vulnerability | Ubuntu security noticesThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4350
Debian -- Security Information -- DSA-4350-1 policykit-1Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html
[SECURITY] [DLA 1644-1] policykit-1 security updateThird Party Advisory
-
https://bugs.debian.org/915332
#915332 - policykit-1: CVE-2018-19788: unprivileged users with UID can successfully execute any systemctl command - Debian Bug report logsIssue Tracking;Mailing List;Third Party Advisory
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