Advisory Details

April 11th, 2018

Microsoft Windows VBScript Filter Out-Of-Bounds Read Remote Code Execution Vulnerability

CVE ID	CVE-2018-1000
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. 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 implementation of the Filter function in VBScript. By performing actions in VBScript, an attacker can trigger a read past the end of an allocated buffer. 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-2018-1000
DISCLOSURE TIMELINE	2018-01-30 - Vulnerability reported to vendor 2018-04-11 - Coordinated public release of advisory 2018-04-11 - Advisory Updated
CREDIT	Anonymous

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