SB2023031426 - Multiple vulnerabilities in Microsoft Windows Point-to-Point Protocol over Ethernet (PPPoE)

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Race condition (CVE-ID: CVE-2023-23407)

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

The vulnerability exists due to a race condition in Windows Point-to-Point Protocol over Ethernet (PPPoE). A remote attacker on the local network can exploit the race and execute arbitrary code on the target system.

2) Race condition (CVE-ID: CVE-2023-23414)

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

The vulnerability exists due to a race condition in Windows Point-to-Point Protocol over Ethernet (PPPoE). A remote attacker on the local network can exploit the race and execute arbitrary code on the target system.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-23385)

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

The vulnerability exists due to application does not properly impose security restrictions in Windows Point-to-Point Protocol over Ethernet (PPPoE), which leads to security restrictions bypass and privilege escalation.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-23407
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-23414
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-23385