SB2021060818 - Multiple vulnerabilities in Microsoft Paint 3D

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2021-31983)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition when processing PLY files in Paint 3D. A remote attacker can create a specially crafted PLY file, trick the victim into opening it, trigger an out-of-bounds read error and execute arbitrary code on the system.

2) Out-of-bounds read (CVE-ID: CVE-2021-31946)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition when parsing GLB files in Paint 3D. A remote attacker can create a specially crafted GLB 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-2021-31945)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition when processing GLB files in Paint 3D. A remote attacker can create a specially crafted GLB file, trick the victim into opening it, trigger out-of-bounds read error and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31983
• https://www.zerodayinitiative.com/advisories/ZDI-21-658/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31946
• https://www.zerodayinitiative.com/advisories/ZDI-21-671/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31945
• https://www.zerodayinitiative.com/advisories/ZDI-21-667/