CVE-2022-20685

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit th...

CVE-2022-20685 Multiple Cisco Products Snort Modbus Denial of Service Vulnerability

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit th...

CVE-2022-20685 Multiple Cisco Products Snort Modbus Denial of Service Vulnerability

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit th...

November Patch Tuesday release contains three critical remote code execution vulnerabilities

The Patch Tuesday for November of 2024 includes 89 vulnerabilities, including four that Microsoft marked as "critical." The remaining vulnerabilities listed are classified as "important." Microsoft assessed that exploitation of the four "critical" vulnerabilities is "less likely." CVE-2024-43639 ...

Cisco Firepower Threat Defense Software Database with Snort Detection Engine Security Policy Bypass and DoS Issue (cisco-sa-ftd-vdb-snort-djj4cnbR)

According to its self-reported version, Cisco Firepower Threat Defense Software Database with Snort Detection Engine Security Policy Bypass and Denial of Service Issue is affected by a vulnerability. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

The vulnerability of the TCP Intercept function and the Snort intrusion detection system of Cisco Firepower Threat Defense (FTD) allows attackers to bypass security restrictions and carry out SYN flood attacks.

The vulnerability of the TCP Intercept function and the Snort intrusion detection system of Cisco Firepower Threat Defense’s microprogramming network interface devices is related to resource management errors caused by an incorrect setting of the Maximum Embryonic TCP connections value. Exploitin...

Writing a BugSleep C2 server and detecting its traffic with Snort

In June 2024, security researchers published their analysis of a novel implant dubbed "MuddyRot"aka "BugSleep". This remote access tool RAT gives operators reverse shell and file input/output I/O capabilities on a victim's endpoint using a bespoke command and control C2 protocol. This blog will...

Multiple Cisco Products Snort Rate Filter Bypass (cisco-sa-snort-rf-bypass-OY8f3pnM)

According to its self-reported version, Cisco FTD Software is affected by a vulnerability. - Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limitin...

CVE-2024-20407

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are no...

CVE-2024-20407

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are no...

CVE-2024-20407

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are no...

CVE-2024-20407

Cisco Firepower Threat Defense (FTD) Software contains a vulnerability in the interaction between the TCP Intercept feature and Snort 3 detection engine that could allow an unauthenticated, remote attacker to bypass configured policies and inject unintended traffic through an affected device. The...

CVE-2024-20407

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are no...

CVE-2024-20351

A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense FTD Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service DoS...

CVE-2024-20351

A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense FTD Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service DoS...

CVE-2024-20342

Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter. This vulnerability is due to an incorrect connection count comparison. An attacker...

CVE-2024-20342

Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter. This vulnerability is due to an incorrect connection count comparison. An attacker...

CVE-2024-20330

A vulnerability in the Snort 2 and Snort 3 TCP and UDP detection engine of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause memory corruption, which could cause the Snort detection engine to restart...

CVE-2024-20330

A vulnerability in the Snort 2 and Snort 3 TCP and UDP detection engine of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause memory corruption, which could cause the Snort detection engine to restart...

CVE-2024-20351 Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability

A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense FTD Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service DoS...