Advisory Details

May 14th, 2018

Microsoft Edge OutputElement DoReset Use-After-Free Information Disclosure Vulnerability

CVE ID	CVE-2018-8123
CVSS SCORE	4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Edge
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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 OutputElement::DoReset. 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 in conjunction with other vulnerabilities to execute arbitrary 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-2018-8123
DISCLOSURE TIMELINE	2018-03-08 - Vulnerability reported to vendor 2018-05-14 - Coordinated public release of advisory 2018-05-14 - Advisory Updated
CREDIT	akayn

BACK TO ADVISORIES