Advisory Details

November 23rd, 2018

Epic Games Launcher Protocol Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2018-17707
CVSS SCORE	8.8, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Epic Games
AFFECTED PRODUCTS	Epic Games Launcher
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Visual Studio with tools for Unreal Engine development installed. 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 handler for the com.epicgames.launcher protocol. A crafted URI with the com.epicgames.launcher protocol can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the current user.
ADDITIONAL DETAILS	Fixed in version 8.2.2
DISCLOSURE TIMELINE	2018-09-14 - Vulnerability reported to vendor 2018-11-23 - Coordinated public release of advisory
CREDIT	rgod of 9sg Security Team - rgod@9sgsec.com

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