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Vulnerability of AIX: privilege escalation via Gencore User File Creation

Synthesis of the vulnerability 

An attacker can bypass restrictions via Gencore User File Creation of AIX, in order to escalate his privileges.
Vulnerable software: AIX.
Severity of this announce: 2/4.
Creation date: 20/01/2021.
Références of this computer vulnerability: CVE-2020-4887, VIGILANCE-VUL-34375.

Description of the vulnerability 

An attacker can bypass restrictions via Gencore User File Creation of AIX, in order to escalate his privileges.
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This weakness bulletin impacts software or systems such as AIX.

Our Vigil@nce team determined that the severity of this computer weakness 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 vulnerability announce.

Solutions for this threat 

AIX: patch for Gencore User File Creation.
A patch is indicated in information sources.
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