SB2023031426 - Multiple vulnerabilities in Microsoft Windows Point-to-Point Protocol over Ethernet (PPPoE)
Published: March 14, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Race condition (CVE-ID: CVE-2023-23407)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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 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.