SB2023071204 - Multiple vulnerabilities in Microsoft Windows DNS Server

Description

This security bulletin contains information about 4 vulnerabilities.

1) Race condition (CVE-ID: CVE-2023-35310)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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

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

The vulnerability exists due to a race condition in the Windows DNS Server. A remote administrator can exploit the race and execute arbitrary code on the target system.

2) Race condition (CVE-ID: CVE-2023-35344)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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

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

The vulnerability exists due to a race condition in the Windows DNS Server. A remote administrator can exploit the race and execute arbitrary code on the target system.

3) Race condition (CVE-ID: CVE-2023-35345)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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

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

The vulnerability exists due to a race condition in the Windows DNS Server. A remote administrator can exploit the race and execute arbitrary code on the target system.

4) Race condition (CVE-ID: CVE-2023-35346)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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

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

The vulnerability exists due to a race condition in the Windows DNS Server. A remote administrator can exploit the race and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35310
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35344
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35345
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35346