Advisory Details

July 12th, 2018

Microsoft Edge CWUCLayer Use-After-Free Remote Code Execution Vulnerability

ZDI-18-609
ZDI-CAN-6250

CVE ID CVE-2018-8274
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Edge
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Edge. 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 routines that render web pages to the display. By manipulating a document's elements, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under 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-2018-8274
DISCLOSURE TIMELINE
  • 2018-05-24 - Vulnerability reported to vendor
  • 2018-07-12 - Coordinated public release of advisory
  • 2018-07-12 - Advisory Updated
CREDIT akayn
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