SB2020031016 - Multiple vulnerabilities in Microsoft Windows Network Connections Service
Published: March 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2020-0871)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling objects in memory within Windows Network Connections Service. A local user can create a specially crafted application and gain access to memory contents of an elevated process.
2) Buffer overflow (CVE-ID: CVE-2020-0845)
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-2020-0804)
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-2020-0803)
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-2020-0802)
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.
6) Buffer overflow (CVE-ID: CVE-2020-0778)
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-2020-0871
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0845
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0804
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0803
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0802
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0778