CVE-2018-1116

low-risk
Published 2018-07-10

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Debian Canonical Polkit Project

References (10)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116
Patch https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364
Mailing List https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html
Third Party Advisory https://security.gentoo.org/glsa/201908-14
Third Party Advisory https://usn.ubuntu.com/3717-2/
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116
Patch https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364
Mailing List https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html
Third Party Advisory https://security.gentoo.org/glsa/201908-14
Third Party Advisory https://usn.ubuntu.com/3717-2/
24
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 9/34 · Low