Advisory Details

February 20th, 2019

Microsoft Access Database Engine ACECORE Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-19-224
ZDI-CAN-7385

CVE ID CVE-2019-0672
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Access Database Engine. 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 when reading and writing to ACCDB files. Crafted data in an ACCDB file can trigger a write past the end of an allocated data structure. 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-2019-0672
DISCLOSURE TIMELINE
  • 2018-10-18 - Vulnerability reported to vendor
  • 2019-02-20 - Coordinated public release of advisory
CREDIT rgod of 9sg Security Team - rgod@9sgsec.com
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