Advisory Details

October 10th, 2018

Microsoft Internet Explorer CSS Style Double Free Remote Code Execution Vulnerability

CVE ID	CVE-2018-8460
CVSS SCORE	6.8, AV:N/AC:M/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. 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 CSS styles. 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 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-2018-8460
DISCLOSURE TIMELINE	2018-07-10 - Vulnerability reported to vendor 2018-10-10 - Coordinated public release of advisory 2018-10-10 - Advisory Updated
CREDIT	ca0nguyen

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