SB2020090856 - Multiple vulnerabilities in Microsoft Windows Codecs Library

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1129)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within Microsoft Windows Codecs Library. A remote attacker can send a specially crafted image file, trigger memory corruption and execute arbitrary code on the target system.

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

2) Access of uninitialized pointer (CVE-ID: CVE-2020-1319)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within Microsoft Windows Codecs Library when parsing WebM videos. A remote attacker can trick the victim to open a specially crafted file, trigger memory corruption and execute arbitrary code on the target system.

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-2020-1129
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1319
• https://www.zerodayinitiative.com/advisories/ZDI-20-1134/