SB2018091501 - Information disclosure in Microsoft Windows GDI

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer over-read (CVE-ID: CVE-2018-8422)

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 within the Windows GDI component. A remote attacker can create a specially specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and obtain contents of memory on the system.

2) Buffer over-read (CVE-ID: CVE-2018-8424)

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 within the Windows GDI component. A remote attacker can create a specially specially crafted 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-2018-8422
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8424