Security News

Fortinet has disclosed a critical severity flaw impacting FortiOS and FortiProxy, allowing a remote attacker to perform arbitrary code execution on vulnerable devices."A stack-based overflow vulnerability [CWE-124] in FortiOS & FortiProxy may allow a remote attacker to execute arbitrary code or command via crafted packets reaching proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection," warns Fortinet in a new advisory.

Fortinet on Monday disclosed that a newly patched critical flaw impacting FortiOS and FortiProxy may have been "Exploited in a limited number of cases" in attacks targeting government, manufacturing, and critical infrastructure sectors. The vulnerability, tracked as CVE-2023-27997, concerns a heap-based buffer overflow vulnerability in FortiOS and FortiProxy SSL-VPN that could allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.

Fortinet has patched 15 vulnerabilities in a variety of its products, including CVE-2023-25610, a critical flaw affecting devices running FortiOS and FortiProxy.Discovered by Fortinet infosec engineer Kai Ni, CVE-2023-25610 is a buffer underwrite vulnerability found in the FortiOS and FortiProxy administrative interface.

Fortinet has released fixes to address 15 security flaws, including one critical vulnerability impacting FortiOS and FortiProxy that could enable a threat actor to take control of affected systems. "A buffer underwrite vulnerability in FortiOS and FortiProxy administrative interface may allow a remote unauthenticated attacker to execute arbitrary code on the device and/or perform a DoS on the GUI, via specifically crafted requests," Fortinet said in an advisory.