SB2020071469 - Multiple vulnerabilities in Microsoft Windows

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1388)

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

The vulnerability exists due to a boundary error in the psmsrv.dll 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-2020-1392)

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

The vulnerability exists due to a boundary error when the Windows Delivery Optimization service improperly handles 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-2020-1394)

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

The vulnerability exists due to a boundary error in the Windows Geolocation Framework 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-2020-1395)

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

The vulnerability exists due to a boundary error in the Windows Speech Brokered API 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-2020-1388
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1392
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1394
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1395