Microsoft Edge DownloadOperation Sandbox Escape Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to escalate privileges 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 handling of messages passed from the renderer process to the broker process of Microsoft Edge. A crafted message can trigger execution of a privileged operation. An attacker can leverage this vulnerability to escalate privileges and escape the Microsoft Edge sandbox.
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-2019-0938
Disclosure Timeline
- 2019-05-15 - Vulnerability reported to vendor
- 2019-05-15 - Coordinated public release of advisory
Credit
Arthur Gerkis of Exodus Intelligence (@ax330d)
