Palo Alto Networks Security Advisories / CVE-2020-1991

CVE-2020-1991 Traps: Insecure temporary file vulnerability may allow privilege escalation on Windows

047910
Severity 7.8 · HIGH
Attack Vector LOCAL
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

Description

An insecure temporary file vulnerability in Palo Alto Networks Traps allows a local authenticated Windows user to escalate privileges or overwrite system files.

This issue affects Palo Alto Networks Traps 5.0 versions before 5.0.8; 6.1 versions before 6.1.4 on Windows; all versions of 6.0, 4.2, 4.1, and older releases on Windows.

This issue does not affect Cortex XDR 7.0.

This issue does not affect Traps for Linux or MacOS.

Product Status

Traps

VersionsAffectedUnaffected
6.1< 6.1.4 on Windows>= 6.1.4 on Windows
6.06.0.* on Windows
5.0< 5.0.8 on Windows>= 5.0.8 on Windows
4.24.2.* on Windows

Severity: HIGH

CVSSv3.1 Base Score: 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-377 Insecure Temporary File

Solution

This issue is fixed in Traps 5.0.8, 6.1.4 and later versions.

Workarounds and Mitigations

There are no viable workarounds for this issue.

Acknowledgments

Palo Alto Networks thanks Lasse Trolle Borup of Danish Cyber Defence for discovering and reporting this issue.

Timeline

Updated affected versions
Initial publication
© 2020 Palo Alto Networks, Inc. All rights reserved.