Advisory Details

June 14th, 2019

Microsoft Word Table Out-Of-Bounds Access Remote Code Execution Vulnerability

ZDI-19-572
ZDI-CAN-8531

CVE ID CVE-2019-1035
CVSS SCORE 4.5, AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Word
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Word. 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 tables in Microsoft Word documents. Crafted data in a document can trigger a memory access past the end of an array. 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-2019-1035
DISCLOSURE TIMELINE
  • 2019-04-17 - Vulnerability reported to vendor
  • 2019-06-14 - Coordinated public release of advisory
CREDIT L4Nce
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