Path traversal in Cisco Duo Device Health Application for Windows

1) Path traversal

EUVDB-ID: #VU79964

Risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-20229

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the CryptoService function. A local user can send a specially crafted HTTP request and overwrite arbitrary files on the system, leading to denial of service (DoS) condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Duo Device Health Application for Windows: 5.0.0 - 5.1.0

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_duo_device_health_application_for_windows:5.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_duo_device_health_application_for_windows:5.1.0:*:*:*:*:*:*:*

External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-dha-filewrite-xPMBMZAK

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.