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Vulnerability of NetBSD: privilege escalation via Filemon Module

Synthesis of the vulnerability 

An attacker can bypass restrictions via Filemon Module of NetBSD, in order to escalate his privileges.
Impacted software: NetBSD.
Severity of this computer vulnerability: 2/4.
Creation date: 17/12/2019.
Références of this announce: NetBSD-SA2019-006, VIGILANCE-VUL-31168.

Description of the vulnerability 

An attacker can bypass restrictions via Filemon Module of NetBSD, in order to escalate his privileges.
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This weakness impacts software or systems such as NetBSD.

Our Vigil@nce team determined that the severity of this vulnerability announce 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 threat bulletin.

Solutions for this threat 

NetBSD: workaround for Filemon Module.
A workaround is to remove for Filemon Module:
  modunload filemon
  rm -rf /stand/*/*/modules/filemon/
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