Improper authorization in PolicyKit - CVE-2018-1116
Published: July 23, 2018 / Updated: July 24, 2018
Vulnerability identifier: #VU13987
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1116
CWE-ID: CWE-285
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
PolicyKit
PolicyKit
Detailed vulnerability description
The vulnerability allows a local attacker to obtain potentially sensitive information or cause DoS condition on the target system.
The vulnerability exists due to improper implementation of the polkit_backend_interactive_authority_check_authorization function in the polkitd daemon. A local attacker can test for authentication and trigger authentication of unrelated processes owned by other users to access sensitive information or cause the service to crash.
How to mitigate CVE-2018-1116
Update to version 0.116.