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CVE-2018-1116

Publication date 10 July 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
policykit-1 18.04 LTS bionic
Fixed 0.105-20ubuntu0.18.04.1
17.10 artful
Fixed 0.105-18ubuntu0.1
16.04 LTS xenial
Fixed 0.105-14.1ubuntu0.1
14.04 LTS trusty
Fixed 0.105-4ubuntu3.14.04.2

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
policykit-1

Severity score breakdown

Parameter Value
Base score 4.4 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

References

Related Ubuntu Security Notices (USN)

    • USN-3717-2
    • PolicyKit vulnerabilities
    • 17 July 2018
    • USN-3717-1
    • PolicyKit vulnerabilities
    • 16 July 2018

Other references