Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2020-1256

 

Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2020-1256

Published: September 8, 2020


Vulnerability identifier: #VU46468
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2020-1256
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2020-1256

Install update from vendor's website.


External References

Related Security Bulletins