SB2020071420 - Multiple vulnerabilities in Microsoft Windows Network Connections Service

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1390)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Network Connections Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

2) Buffer overflow (CVE-ID: CVE-2020-1373)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Network Connections Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

3) Buffer overflow (CVE-ID: CVE-2020-1427)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Network Connections Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

4) Buffer overflow (CVE-ID: CVE-2020-1428)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Network Connections Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

5) Buffer overflow (CVE-ID: CVE-2020-1438)

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Network Connections Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1390
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1373
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1427
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1428
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1438