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computer vulnerability bulletin CVE-2018-19295

Singularity: privilege escalation via Shared Mount Propagation

Synthesis of the vulnerability

An attacker can bypass restrictions via Shared Mount Propagation of Singularity, in order to escalate his privileges.
Impacted software: Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this computer vulnerability: 2/4.
Consequences of a hack: administrator access/rights, privileged access/rights.
Attacker's origin: user shell.
Creation date: 13/12/2018.
Références of this announce: CVE-2018-19295, FEDORA-2018-6189ba2d87, FEDORA-2018-ae8d35651b, openSUSE-SU-2019:0009-1, openSUSE-SU-2019:0095-1, VIGILANCE-VUL-28018.

Description of the vulnerability

An attacker can bypass restrictions via Shared Mount Propagation of Singularity, in order to escalate his privileges.
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