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Vulnerability of FortiOS/FortiManager VM: privilege escalation via Image File System Integrity

Synthesis of the vulnerability 

An attacker can bypass restrictions via Image File System Integrity of FortiOS/FortiManager VM, in order to escalate his privileges.
Vulnerable systems: FortiGate Virtual Appliance, FortiManager Virtual Appliance, FortiOS.
Severity of this threat: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 05/06/2019.
Références of this weakness: CERTFR-2019-AVI-358, CVE-2019-5587, CVE-2019-6695, FG-IR-19-017, VIGILANCE-VUL-29468.

Description of the vulnerability 

An attacker can bypass restrictions via Image File System Integrity of FortiOS/FortiManager VM, in order to escalate his privileges.
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This computer threat impacts software or systems such as FortiGate Virtual Appliance, FortiManager Virtual Appliance, FortiOS.

Our Vigil@nce team determined that the severity of this computer vulnerability alert is medium.

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

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity weakness.

Solutions for this threat 

FortiOS VM: versions 6.0.5 and 6.2.0.
Versions 6.0.5 and 6.2.0 are fixed.

FortiManager VM: versions 6.0.7 and 6.2.1.
Versions 6.0.7 and 6.2.1 are fixed:
  https://fortinet.com/
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Computer vulnerabilities tracking service 

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