Microsoft Windows Kernel Type 1 Font Processing Out-Of-Bounds Write Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of Type 1 fonts in the Windows kernel. A crafted font file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
Additional Details
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1419
Disclosure Timeline
- 2019-08-07 - Vulnerability reported to vendor
- 2019-11-13 - Coordinated public release of advisory
Credit
Hossein Lotfi of Trend Micro Zero Day Initiative
