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Vulnerability of polkit: privilege escalation via polkit_system_bus_name_get_creds_sync

Synthesis of the vulnerability 

An attacker can bypass restrictions via polkit_system_bus_name_get_creds_sync() of polkit, in order to escalate his privileges.
Impacted systems: Fedora, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 03/06/2021.
Références of this alert: CVE-2021-3560, FEDORA-2021-0ec5a8a74b, openSUSE-SU-2021:0838-1, RHSA-2021:2236-01, RHSA-2021:2237-01, RHSA-2021:2238-01, SSA:2021-158-02, SUSE-SU-2021:1842-1, SUSE-SU-2021:1843-1, SUSE-SU-2021:1844-1, USN-4980-1, VIGILANCE-VUL-35615.

Description of the vulnerability 

An attacker can bypass restrictions via polkit_system_bus_name_get_creds_sync() ...
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This vulnerability announce impacts software or systems such as Fedora, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity threat is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this computer threat bulletin.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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