SB2020041412 - Multiple vulnerabilities in Microsoft Windows Push Notification Service

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1017)

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

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

2) Out-of-bounds read (CVE-ID: CVE-2020-1016)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Windows Push Notification Service. A local user can use a specially crafted application to trigger out-of-bounds read error and read contents of memory on the system.

3) Buffer overflow (CVE-ID: CVE-2020-0940)

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

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

4) Buffer overflow (CVE-ID: CVE-2020-1006)

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

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

5) Buffer overflow (CVE-ID: CVE-2020-1001)

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

The vulnerability exists due to a boundary error in the Windows Push Notification 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-2020-1017
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1016
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0940
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1006
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1001