SB2023071224 - Multiple vulnerabilities in Microsoft Windows Routing and Remote Access Service (RRAS)

Description

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2023-35367)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Routing and Remote Access Service (RRAS). A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

2) Input validation error (CVE-ID: CVE-2023-35366)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Routing and Remote Access Service (RRAS). A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

3) Input validation error (CVE-ID: CVE-2023-35365)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Routing and Remote Access Service (RRAS). A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35367
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35366
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35365