Multiple vulnerabilities in Palo Alto PAN-OS

Published: 2020-05-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-2011 CVE-2020-2016
CWE-ID	CWE-20 CWE-362
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Palo Alto PAN-OS Operating systems & Components / Operating system
Vendor	Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU27949

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2011

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the configuration daemon of PAN-OS Panorama. A remote attacker can send a specifically crafted registration request and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 7.1.0 - 9.0.6

CPE2.3

External links

https://security.paloaltonetworks.com/CVE-2020-2011

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Race condition

EUVDB-ID: #VU27950

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2016

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists because of a race condition due to insecure creation of a file. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.