Advisory Details

September 14th, 2018

Microsoft Windows Jet Database Engine Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-18-1052
ZDI-CAN-6258

CVE ID CVE-2018-8393
CVSS SCORE 5.1, AV:N/AC:H/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable 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 Jet database engine. Crafted data in a database 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 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-2018-8393
DISCLOSURE TIMELINE
  • 2018-06-05 - Vulnerability reported to vendor
  • 2018-09-14 - Coordinated public release of advisory
  • 2018-09-14 - Advisory Updated
CREDIT Lucas Leong (@wmliang) of Trend Micro Security Research
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