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AUSCERT External Security Bulletin Redistribution
Predictable temporary file vulnerability
14 May 2020
AusCERT Security Bulletin Summary
Publisher: Palo Alto
Operating System: Network Appliance
Impact/Access: Modify Arbitrary Files -- Existing Account
CVE Names: CVE-2020-1994
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Palo Alto Networks Security Advisories / CVE-2020-1994
CVE-2020-1994 PAN-OS: Predictable temporary file vulnerability
Severity 4.1 . MEDIUM
Attack Vector LOCAL
Attack Complexity HIGH
Privileges Required HIGH
User Interaction NONE
Confidentiality Impact NONE
Integrity Impact HIGH
Availability Impact NONE
A predictable temporary file vulnerability in PAN-OS allows a local
authenticated user with shell access to corrupt arbitrary system files
affecting the integrity of the system.
This issue affects:
All versions of PAN-OS 7.1 and 8.0;
PAN-OS 8.1 versions earlier than 8.1.13;
PAN-OS 9.0 versions earlier than 9.0.7.
Versions Affected Unaffected
9.2 >= 9.2.0
9.1 >= 9.1.0
9.0 < 9.0.7 >= 9.0.7
8.1 < 8.1.13 >= 8.1.13
CVSSv3.1 Base Score: 4.1 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N)
This issue is fixed in PAN-OS 8.1.13, PAN-OS 9.0.7, PAN-OS 9.1.0, PAN-OS 9.2.0,
and all later PAN-OS versions.
PAN-OS 8.0 is now 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.
Workarounds and Mitigations
This issue was found by a customer.
2020-05-13 Initial publication
Policy Report vulnerabilitiesManage subscriptions
(C) 2020 Palo Alto Networks, Inc. All rights reserved.
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