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AlienVault OTX Malware

A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
 This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.

CVE-2024-20353 is a vulnerability identified in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software, specifically within the management and VPN web servers. The root cause is incomplete error checking during the parsing of HTTP headers, which can lead to a loop with an unreachable exit condition—effectively an infinite loop. An unauthenticated remote attacker can exploit this by sending a specially crafted HTTP request to the targeted web server on the device. This triggers the infinite loop, causing the device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability affects a broad spectrum of ASA software versions, spanning from 9.8.1 up to 9.20.2, covering many minor and patch releases. The CVSS v3.1 base score is 8.6, reflecting high severity due to the network attack vector, low attack complexity, no privileges or user interaction required, and a scope change because the device reload impacts availability. The vulnerability does not impact confidentiality or integrity but severely affects availability. No public exploits have been reported yet, but the simplicity of exploitation and the critical role of ASA/FTD devices in network security make this a pressing concern. Cisco has not provided patch links in the provided data, so organizations must monitor Cisco advisories for updates and consider interim mitigations.

Detailed information about CVE-2024-20353: Loop with Unreachable Exit Condition ('Infinite Loop') in Cisco Cisco Adaptive Security Appliance (ASA) Software affe

CVE-2024-20353: Loop with Unreachable Exit Condition ('Infinite Loop') in Cisco Cisco Adaptive Security Appliance (ASA) Software - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-20353: Loop with Unreachable Exit Condition ('Infinite Loop') in Cisco Cisco Adaptive Security Appliance (ASA) Software

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