Advisory Details

August 13th, 2019

Microsoft Windows gdiplus EMF Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-19-714
ZDI-CAN-8353

CVE ID CVE-2019-1158
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS


This vulnerability allows remote attackers to disclose sensitive information 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 parsing of EMF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

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-2019-1158
DISCLOSURE TIMELINE
  • 2019-05-08 - Vulnerability reported to vendor
  • 2019-08-13 - Coordinated public release of advisory
  • 2023-06-22 - Advisory Updated
CREDIT GDPR
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