Advisory Details

August 14th, 2018

Microsoft Windows LNK File Uninitialized Pointer Remote Code Execution Vulnerability

CVE ID	CVE-2018-8345
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 handling of .LNK files. Crafted data in a .LNK file can trigger access to a pointer prior to initialization. An attacker can leverage this vulnerability to execute code under the context of the current user.
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-2018-8345
DISCLOSURE TIMELINE	2018-05-08 - Vulnerability reported to vendor 2018-08-14 - Coordinated public release of advisory 2018-08-14 - Advisory Updated
CREDIT	Lucas Leong (@wmliang)

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