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Vulnerability of Palo Alto PAN-OS: buffer overflow via Captive Portal / Multi-Factor Authentication

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Captive Portal / Multi-Factor Authentication of Palo Alto PAN-OS, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Palo Alto Firewall PA***, PAN-OS.
Severity of this announce: 4/4.
Creation date: 10/09/2020.
Références of this computer vulnerability: CERTFR-2020-AVI-566, CVE-2020-2040, PAN-145149, PAN-145150, PAN-145151, PAN-145195, VIGILANCE-VUL-33301.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Captive Portal / Multi-Factor Auth...
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This cybersecurity bulletin impacts software or systems such as Palo Alto Firewall PA***, PAN-OS.

Our Vigil@nce team determined that the severity of this cybersecurity weakness is critical.

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

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

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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