SB2020090838 - Information disclosure in Microsoft Windows GDI



SB2020090838 - Information disclosure in Microsoft Windows GDI

Published: September 8, 2020

Security Bulletin ID SB2020090838
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-1256)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a boundary condition within the Windows GDI component. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.