CVE-2020-2027: PAN-OS: Buffer overflow in authd authentication response
First published: Wed Jun 10 2020(Updated: )
A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue affects: All versions of PAN-OS 7.1 and PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.13; PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Palo Alto Networks PAN-OS | >=7.1.0<=7.1.26 | |
| Palo Alto Networks PAN-OS | >=8.0.0<=8.0.20 | |
| Palo Alto Networks PAN-OS | >=8.1.0<8.1.13 | |
| Palo Alto Networks PAN-OS | >=9.0.0<9.0.7 |
Remedy
This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, and all later PAN-OS versions.
Remedy
PAN-OS 8.0 is end-of-life (as of October 31, 2019) and is no longer covered by our Product Security Assurance policies. PAN-OS 7.1 is on extended support until June 30, 2020, and is only being considered for critical security vulnerability fixes.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-2027?
CVE-2020-2027 is considered to be a high severity vulnerability due to its potential to allow arbitrary code execution with root privileges.
How do I fix CVE-2020-2027?
To fix CVE-2020-2027, it is recommended to upgrade to a patched version of PAN-OS that addresses the buffer overflow issue.
What systems are affected by CVE-2020-2027?
CVE-2020-2027 affects all versions of PAN-OS 7.1, PAN-OS 8.0, and up to PAN-OS 8.1.13 and 9.0.7.
Who can exploit CVE-2020-2027?
CVE-2020-2027 can be exploited by authenticated administrators with access to the PAN-OS management server.
What is the impact of CVE-2020-2027?
The impact of CVE-2020-2027 includes disruption of system processes and the potential execution of arbitrary code on the affected system.
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