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vulnerability CVE-2018-19788

PolicyKit: privilege escalation via INT_MAX uid

Synthesis of the vulnerability

An attacker can bypass restrictions via INT_MAX uid of PolicyKit, in order to escalate his privileges.
Vulnerable systems: Debian, Fedora, openSUSE Leap, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Consequences of an attack: administrator access/rights, privileged access/rights.
Pirate's origin: user shell.
Creation date: 07/12/2018.
Références of this weakness: bulletinjan2019, CVE-2018-19788, DLA-1644-1, DSA-4350-1, FEDORA-2018-2f8696869e, openSUSE-SU-2018:4282-1, openSUSE-SU-2019:0010-1, RHSA-2019:2046-01, SUSE-SU-2019:0015-1, SUSE-SU-2019:0019-1, SUSE-SU-2019:0019-2, USN-3861-1, USN-3861-2, VIGILANCE-VUL-27980.

Description of the vulnerability

An attacker can bypass restrictions via INT_MAX uid of PolicyKit, in order to escalate his privileges.
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