PT-2020-3411 · Palo Alto Networks · Pan-Os

Published 2020-04-08 · Updated 2020-04-10 · CVE-2020-1992

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PAN-OS versions 9.0.0 through 9.0.6 PAN-OS versions 9.1.0 through 9.1.1

Description A format string vulnerability in the Varrcvr daemon of PAN-OS allows remote attackers to crash the daemon, creating a denial of service condition, or potentially execute code with root privileges. This issue requires WildFire services to be configured and enabled.

Recommendations For PAN-OS versions 9.0.0 through 9.0.6, update to version 9.0.7 or later to resolve the issue. For PAN-OS versions 9.1.0 through 9.1.1, update to version 9.1.2 or later to resolve the issue. As a temporary workaround, consider disabling the WildFire services until a patch is available.

Fix

DoS

Use of Externally-Controlled Format String

Weakness Enumeration

CWE-134

Related Identifiers

BDU:2020-03734

CVE-2020-1992

Affected Products

Pan-Os

References · 5

• https://safe-surf.ru/specialists/bulletins-nkcki/647979 · Security Note
• https://security.paloaltonetworks.com/CVE-2020-1992 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03734 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1992 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1992 · Security Note