Privilege escalation in Palo Alto Cortex XDR Agent for Windows



Published: 2020-12-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-2049
CWE-ID CWE-427
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Cortex XDR Agent for Windows
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU48910

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2049

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user with the ability to write files into the Windows root directory (such as "C:\") can place a specially crafted .dll file in the folder and execute arbitrary code with SYSTEM privileges.

Mitigation

Install content update 150 from vendor's website.

Vulnerable software versions

Cortex XDR Agent for Windows: 7.1.0 - 7.2.0

External links

http://security.paloaltonetworks.com/CVE-2020-2049


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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