Get supportSecurity advisories
Subscriptions
Report vulnerabilities
Palo Alto Networks Security Advisories / CVE-2019-1580

CVE-2019-1580 Memory Corruption in PAN-OS


Severity 9.8 · CRITICAL
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required NONE
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH
NVD JSON
Published: 2019-08-21
Updated: 2019-08-21
Ref#: PAN-123603 PAN-SA-2019-0021

Description

Palo Alto Networks is aware of a memory corruption vulnerability in PAN-OS (Ref: # PAN-123603/CVE-2019-1580).

Successful exploitation will allow a remote, unauthenticated user to craft a message to Secure Shell Daemon (SSHD) and corrupt arbitrary memory.

This issue affects PAN-OS 7.1.24 and earlier, PAN-OS 8.0.19 and earlier, PAN-OS 8.1.9 and earlier, and PAN-OS 9.0.3 and earlier.

Product Status

PAN-OS

VersionsAffectedUnaffected
7.1<= 7.1.24>= 7.1.24-h1
8.0<= 8.0.19>= 8.0.19-h1
8.1<= 8.1.9>= 8.1.9-h4
9.0<= 9.0.3>= 9.0.3-h3

Severity: CRITICAL

CVSSv3.1 Base Score: 9.8 ( CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H )

Solution

PAN-OS 7.1.24-h1 and later, PAN-OS 8.0.19-h1 and later, PAN-OS 8.1.9-h4 and later, and PAN-OS 9.0.3-h3 and later.

Workarounds and Mitigations

These issues affect the management interface of PAN-OS and are strongly mitigated by following best practices for securing the PAN-OS management interface. Our best practices guidelines reduce the exposure of the management interface to potential attackers. Please review the Best Practices for Securing Administrative Access in the PAN-OS 9.0 technical documentation, available at: https://docs.paloaltonetworks.com/pan-os/9-0/pan-os-admin/getting-started/best-practices-for-securing-administrative-access.html.

Acknowledgements

  • This issue was discovered by Nicholas Newsom of Palo Alto Networks during internal security review.
© 2020 Palo Alto Networks, Inc. All rights reserved.