SB2024030717 - Multiple vulnerabilities in Cisco Duo Authentication for Windows Logon and RDP

Description

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2024-20292)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to improper storage of an unencrypted registry key in certain logs. A local administrator can gain unauthorized access to sensitive information on the system.

2) Improper Authentication (CVE-ID: CVE-2024-20301)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to a failure to invalidate locally created trusted sessions after a reboot of the affected device. An administrator with physical access can bypass authentication process and gain unauthorized access to the application.

Remediation

Install update from vendor's website.

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-infodisc-rLCEqm6T
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-win-bypass-pn42KKBm