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Vulnerability of FreeBSD: denial of service via epoch

Synthesis of the vulnerability 

An attacker can trigger a fatal error via epoch of FreeBSD, in order to trigger a denial of service.
Impacted systems: FreeBSD, pfSense.
Severity of this alert: 1/4.
Creation date: 07/08/2019.
Références of this alert: FreeBSD-EN-19:14.epoch, VIGILANCE-VUL-29963.

Description of the vulnerability 

An attacker can trigger a fatal error via epoch of FreeBSD, in order to trigger a denial of service.
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This security vulnerability impacts software or systems such as FreeBSD, pfSense.

Our Vigil@nce team determined that the severity of this computer weakness bulletin is low.

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 security note.

Solutions for this threat 

FreeBSD: patch for epoch.
A patch is indicated in information sources.

pfSense: version 2.4.5.
The version 2.4.5 is fixed:
  https://www.netgate.com/solutions/pfsense/
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