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

Palo Alto Networks Security Advisories / CVE-2020-1991

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

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

NVD JSON

Published 2020-04-08

Updated 2020-05-12

Reference CPATR-7784

Discovered externally

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

Versions	Affected	Unaffected
6.1	< 6.1.4 on Windows	>= 6.1.4 on Windows
6.0	6.0.* on Windows
5.0	< 5.0.8 on Windows	>= 5.0.8 on Windows
4.2	4.2.* 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

2020-05-12 Updated affected versions

2020-04-08 Initial publication