#cisco

A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper validation of errors that are logged as a result of client connections that are made using remote access VPN. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.

A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a crafted HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

A vulnerability in the local malware analysis process of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. This vulnerability is due to insufficient error handling in the local malware analysis process of an affected device. An attacker could exploit this vulnerability by sending a crafted file through the device. A successful exploit could allow the attacker to cause the local malware analysis process to crash, which could result in a DoS condition. Notes: Manual intervention may be required to recover from this situation. Malware cloud lookup and dynamic analysis will not be impacted.

A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, but unprivileged, remote attacker to elevate privileges to level 15. This vulnerability is due to improper separation of authentication and authorization scopes. An attacker could exploit this vulnerability by sending crafted HTTPS messages to the web services interface of an affected device. A successful exploit could allow the attacker to gain privilege level 15 access to the web management interface of the device. This includes privilege level 15 access to the device using management tools like the Cisco Adaptive Security Device Manager (ASDM) or the Cisco Security Manager (CSM). Note: With Cisco FTD Software, the impact is lower than the CVSS score suggests because the affected web management interface allows for read access only.

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw.  Cisco Talos recently discovered two new vulnerabilities in Accusoft ImageGear.  The ImageGear library is a document-imaging developer toolkit that allows users to create, edit, annotate and convert... [[ This is only the beginning! Please visit the blog for the complete entry ]]

By Jon Munshaw.  Welcome to this week’s edition of the Threat Source newsletter that’s going to be a little different, but bear with me.  In honor of the NFL Draft starting this evening — an event that Cisco is helping to secure — I thought it’d be appropriate to look at building a... [[ This is only the beginning! Please visit the blog for the complete entry ]]

Ransomware continues as the top threat, while a novel increase in APT activity emerges By Caitlin Huey. Ransomware was still the top threat Cisco Talos Incident Response (CTIR) saw in active engagements this quarter, continuing a trend that started in 2020. As mentioned in the 2021... [[ This is only the beginning! Please visit the blog for the complete entry ]]

Flaws in popular parser prompt updates from numerous downstream vendors

How this Talos team member’s love of true crime led to a life in cybersecurity  By Jon Munshaw.  Liz Waddell is usually there on someone’s worst day of their professional lives.  Chief technology officers and chief information security officers can hope all they want that the... [[ This is only the beginning! Please visit the blog for the complete entry ]]