Flash 0-Day In The Wild: Group 123 At The Controls
The 1st of February, Adobe published an advisory concerning a Flash vulnerability (CVE-2018-4878). This vulnerability is a use after free that allows Remote Code Execute through a malformed Flash object. Additionally KISA (Korean CERT) published an advisory about a Flash 0-day used in the wild. Talos identified that an attacker exploited this vulnerability with a Flash object embedded in a Microsoft Excel document. By opening the document, the exploit was executed in order to download an additional payload from a compromised website.