Advisory Details

July 20th, 2015

Microsoft Internet Explorer EditWith Broker API Sandbox Escape Vulnerability

CVE ID	CVE-2015-2402
CVSS SCORE	4.6, AV:L/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Internet Explorer
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer running in either Protected Mode or Enhanced Protected Mode. 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 EditWith function of the document broker. The document broker can be induced to use a file path from a registry key that is controlled by the low integrity process. This can be changed while the broker is attempting to use it, resulting in a race condition and the execution of arbitrary executables at medium integrity.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/en-us/library/security/ms15-065.aspx
DISCLOSURE TIMELINE	2015-04-09 - Vulnerability reported to vendor 2015-07-20 - Coordinated public release of advisory
CREDIT	Ashutosh Mehra (https://twitter.com/ashutoshmehra)

BACK TO ADVISORIES