CVE-2018-1116

MEDIUM
4.4
CVSS Score
Published: July 10, 2018 at 07:00 PM UTC
Updated: June 17, 2026 at 01:50 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxPolkit

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Severity
MEDIUM4.4
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.1150.116
Affected range stops below 0.115, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (5)

x_refsource_CONFIRMPatchThird Party Advisory
https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201908-14
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3717-2/

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285CWE-862

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