SB2020081117 - Information disclosure in Microsoft Word

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2020-1502)

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

The vulnerability exists due to a boundary condition when processing untrusted data. A remote attacker can create a specially crafted Word file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

2) Out-of-bounds read (CVE-ID: CVE-2020-1583)

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

The vulnerability exists due to a boundary condition when processing untrusted data. A remote attacker can create a specially crafted Word file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

3) Out-of-bounds read (CVE-ID: CVE-2020-1503)

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

The vulnerability exists due to a boundary condition when processing untrusted data. A remote attacker can create a specially crafted Word file, trick the victim into opening it, 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-2020-1502
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1583
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1503