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Vulnerability of Solaris: privilege escalation via RPC Component

Synthesis of the vulnerability 

An attacker can bypass restrictions via RPC Component of Solaris, in order to escalate his privileges.
Vulnerable systems: AIX, Solaris.
Severity of this threat: 3/4.
Creation date: 12/12/2018.
Références of this weakness: cpuapr2017, CVE-2017-3623, VIGILANCE-VUL-28010.

Description of the vulnerability 

An attacker can bypass restrictions via RPC Component of Solaris, in order to escalate his privileges.
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This security announce impacts software or systems such as AIX, Solaris.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer vulnerability announce.

Solutions for this threat 

Oracle Solaris: CPU of April 2017.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2247453.1
  https://support.oracle.com/rs?type=doc&id=2248470.1
  https://support.oracle.com/rs?type=doc&id=2251718.1
  https://support.oracle.com/rs?type=doc&id=2245233.1
  https://support.oracle.com/rs?type=doc&id=2248526.1
  https://support.oracle.com/rs?type=doc&id=2250567.1

AIX: patch for Solaris Kernel RPC Component.
A patch is indicated in information sources.
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