Improper input validation in Palo Alto PAN-OS - CVE-2017-8390

 

Improper input validation in Palo Alto PAN-OS - CVE-2017-8390

Published: July 21, 2017 / Updated: July 25, 2017


Vulnerability identifier: #VU7588
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-8390
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an unspecified error when processing fully qualified domain name (FQDN) in the DNS Proxy . A remote attacker can send send a specially crafted DNS request to the  DNS Proxy and execute arbitrary code on vulnerable device.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable device.


How to mitigate CVE-2017-8390

Update to version 6.1.18, 7.0.16, 7.1.10 or 8.0.3.

Sources