Today is Microsoft's June 2023 Patch Tuesday, with security updates for 78 flaws, including 38 remote code execution vulnerabilities.
Affected Platforms: FortiOS
Impacted Users: Targeted at government, manufacturing, and critical infrastructure
Impact: Data loss and OS and file corruption
Severity Level: Critical
Today, Fortinet published a CVSS Critical PSIRT Advisory (FG-IR-23-097 / CVE-2023-27997) along with several other SSL-VPN related fixes. This blog adds context to that advisory, providing our customers with additional details to help them make informed, risk-based decisions, and provides our perspective relative to recent events involving malicious actor activity.
When Lexfo Security teased a critical pre-authentication RCE bug in FortiGate devices on Saturday 10th, many people speculated on the practical impact of the bug. Would this be a true, sky-is-falling level vulnerability like the recent CVE-2022-42475? Or was it some edge-case hole, requiring some unusual and exotic requisite before any exposure? Others even went further, questioning the legitimacy of the bug itself. Details were scarce and guesswork was rife.
