SB2020101328 - Multiple vulnerabilities in Microsoft Windows Error Reporting

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-16909)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Windows Error Reporting (WER) improperly handles and executes files. A remote authenticated attacker can use a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Buffer overflow (CVE-ID: CVE-2020-16905)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Windows Error Reporting (WER) improperly handles and executes files. A remote authenticated attacker can use a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16909
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16905