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AUSCERT External Security Bulletin Redistribution
ESB-2024.2202
CVE-2024-3386 PAN-OS: Predefined Decryption Exclusions Does Not Work as
Intended
11 April 2024
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AusCERT Security Bulletin Summary
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Product: PAN-OS
Publisher: Palo Alto Networks
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2024-3386
Original Bulletin:
https://securityadvisories.paloaltonetworks.com/CVE-2024-3386
Comment: CVSS (Max): 6.9 CVE-2024-3386 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/AU:Y/R:A/V:D/RE:L/U:Amber)
CVSS Source: Palo Alto Networks
Calculator: https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/AU:Y/R:A/V:D/RE:L/U:Amber
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Palo Alto Networks Security Advisories / CVE-2024-3386
CVE-2024-3386 PAN-OS: Predefined Decryption Exclusions Does Not Work as
Intended
047910
Severity 6.9 . MEDIUM
Urgency MODERATE
Response Effort LOW
Recovery AUTOMATIC
Value Density DIFFUSE
Attack Vector NETWORK
Attack Complexity LOW
Attack Requirements NONE
Automatable YES
User Interaction NONE
Product Confidentiality NONE
Product Integrity LOW
Product Availability NONE
Privileges Required NONE
Subsequent Confidentiality NONE
Subsequent Integrity NONE
Subsequent Availability NONE
NVD JSON
Published 2024-04-10
Updated 2024-04-10
Reference PAN-208155
Discovered externally
Description
An incorrect string comparison vulnerability in Palo Alto Networks PAN-OS
software prevents Predefined Decryption Exclusions from functioning as
intended. This can cause traffic destined for domains that are not specified in
Predefined Decryption Exclusions to be unintentionally excluded from
decryption.
Product Status
Versions Affected Unaffected
Cloud NGFW None All
PAN-OS 11.1 None All
PAN-OS 11.0 < 11.0.1-h2, < 11.0.2 >= 11.0.1-h2, >= 11.0.2
PAN-OS 10.2 < 10.2.4-h2, < 10.2.5 >= 10.2.4-h2, >= 10.2.5
PAN-OS 10.1 < 10.1.9-h3, < 10.1.10 >= 10.1.9-h3, >= 10.1.10
PAN-OS 10.0 < 10.0.13 >= 10.0.13
PAN-OS 9.1 < 9.1.17 >= 9.1.17
PAN-OS 9.0 < 9.0.17-h2 >= 9.0.17-h2
Prisma Access None All
Required Configuration for Exposure
You must configure Predefined Decryption Exclusions on your PAN-OS firewalls.
You should check to see whether you have any configured exclusions in your
firewall web interface (Device > Certificate Management > SSL Decryption
Exclusions).
Severity: MEDIUM
CVSSv4.0 Base Score: 6.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N
/SI:N/SA:N/AU:Y/R:A/V:D/RE:L/U:Amber)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type
CWE-436 Interpretation Conflict
Solution
This issue is fixed in 9.0.17-h2, 9.0.18, 9.1.17, 10.0.13, 10.1.9-h3, 10.1.10,
10.2.4-h2, 10.2.5, 11.0.1-h2, 11.0.2, and all later PAN-OS versions.
Acknowledgments
Palo Alto Networks thanks Frederic De Vlieger for discovering and reporting
this issue.
Timeline
2024-04-10 Initial publication
Terms of usePrivacyProduct Security Assurance and Vulnerability Disclosure
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(C) 2024 Palo Alto Networks, Inc. All rights reserved.
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