Advisory Details

July 13th, 2018

Microsoft Windows WordPad Privilege Chaining Remote Code Execution Vulnerability

ZDI-18-614
ZDI-CAN-5894

CVE ID CVE-2018-8307
CVSS SCORE 6.8, AV:N/AC:M/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 due to the fact that various operations can be triggered by a document in Microsoft WordPad. Considered individually, these operations do not pose a risk. However, they can be used in combination to produce an unsafe result. An attacker can leverage this vulnerability to execute code under the context of the current user at medium integrity.

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-2018-8307
DISCLOSURE TIMELINE
  • 2018-03-21 - Vulnerability reported to vendor
  • 2018-07-13 - Coordinated public release of advisory
  • 2018-07-13 - Advisory Updated
CREDIT Eduardo Braun Prado
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