Security News
A critical vulnerability in FortiOS SSL-VPN that Fortinet has issued patches for in November 2022 has been exploited by attackers to compromise governmental or government-related targets, the company has shared.They also pointed out that the malware can manipulate log files so it can avoid detection.
Fortinet says unknown attackers exploited a FortiOS SSL-VPN zero-day vulnerability patched last month in attacks against government organizations and government-related targets. The security flaw abused in these incidents is a heap-based buffer overflow weakness found in the FortiOS SSLVPNd that allowed unauthenticated attackers to crash targeted devices remotely or gain remote code execution.
Fortinet has warned of a high-severity flaw affecting multiple versions of FortiADC application delivery controller that could lead to the execution of arbitrary code. The vulnerability, tracked as CVE-2022-39947 and internally discovered by its product security team, impacts the following versions -.
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Fortinet on Monday issued emergency patches for a severe security flaw affecting its FortiOS SSL-VPN product that it said is being actively exploited in the wild. Tracked as CVE-2022-42475, the critical bug relates to a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to execute arbitrary code via specially crafted requests.
Fortinet urges customers to patch their appliances against an actively exploited FortiOS SSL-VPN vulnerability that could allow unauthenticated remote code execution on devices."A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests," warns Fortinet in a security advisory released today.
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Fortinet urges customers to urgently patch their appliances against a critical authentication bypass FortiOS, FortiProxy, and FortiSwitchManager vulnerability exploited in attacks. The company released security updates to address the flaw last week and it also advised customers in private alerts to disable remote management user interfaces on affected devices "With the utmost urgency" to block attacks if they can't immediately patch.
Ai researchers have released a PoC exploit for CVE-2022-40684, the authentication bypass vulnerability affecting Fortinet's firewalls and secure web gateways, and soon after exploitation attempts started rising. " , the Wordfence Threat Intelligence team began tracking exploit attempts targeting CVE-2022-40684 on our network of over 4 million protected websites," Wordfence threat analyst Ram Gall shared.
A proof-of-concept exploit code has been made available for the recently disclosed critical security flaw affecting Fortinet FortiOS, FortiProxy, and FortiSwitchManager, making it imperative that users move quickly to apply the patches. "FortiOS exposes a management web portal that allows a user to configure the system," Horizon3.