SB2020111030 - Multiple vulnerabilities in Microsoft Chakra Scripting Engine

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2020-17048)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Chakra Scripting Engine Memory. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

2) Out-of-bounds read (CVE-ID: CVE-2020-17054)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Chakra Scripting Engine. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17048
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17054