CVE-2022-20767

CVE-2022-20767 describes a DoS vulnerability in Cisco Firepower Threat Defense (FTD) software due to improper handling of the DNS reputation enforcement rule in the Snort 3 evaluation. An unauthenticated, remote attacker could send crafted UDP packets through an affected device to cause a buildup...

CVE-2022-20767 Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability

A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement...

CVE-2022-20767 Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability

A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement...

CVE-2022-20751 Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerability

A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service DoS condition on an affected device. This vulnerability is due t...

CVE-2022-20751

Cisco Firepower Threat Defense (FTD) Software uses Snort integration that is vulnerable to unlimited memory consumption via crafted IP packets, leading to DoS. Affected component: Snort detection engine integration in FTD; root cause: insufficient memory management for certain Snort events, enabl...

CVE-2022-20751 Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerability

A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service DoS condition on an affected device. This vulnerability is due t...

Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerability

A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service DoS condition on an affected device. This vulnerability is due t...

CVE-2022-20767

A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement...

CVE-2022-20751

A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service DoS condition on an affected device. This vulnerability is due t...

Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability

A vulnerability in the Snort rule evaluation function of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of the DNS reputation enforcement...

The vulnerability of the Modbus protocol implementation in the intrusion detection system Snort, caused by integer overflows, allows attackers to trigger a service failure.

The vulnerability of the Modbus protocol implementation in the intrusion detection system Snort is caused by a numerical overflow condition. Exploiting this vulnerability could allow a malicious actor, operating remotely, to cause a service failure...

Researchers Detail Bug That Could Paralyze Snort Intrusion Detection System

Details have emerged about a now-patched security vulnerability in the Snort intrusion detection and prevention system that could trigger a denial-of-service DoS condition and render it powerless against malicious traffic. Tracked as CVE-2022-20685, the vulnerability is rated 7.5 for severity and...

Denial Of Service (DoS)

Multiple Cisco products are affected by a vulnerability in the way the Snort detection engine processes ICMP traffic that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper memory resource manageme...

Vulnerability in Spring Cloud Function Framework Affecting Cisco Products: March 2022

On March 29, 2022, the following critical vulnerability in the Spring Cloud Function Framework affecting releases 3.1.6, 3.2.2, and older unsupported releases was disclosed: CVE-2022-22963: Remote code execution in Spring Cloud Function by malicious Spring Expression For a description of this...

Microsoft Patch Tuesday for March 2022 — Snort rules and prominent vulnerabilities

By Jon Munshaw and Edmund Brumaghin. Microsoft released another relatively light security update Tuesday, disclosing 71 vulnerabilities, including fixes for issues in Azure and the Office suite of products. March’s Patch Tuesday only included two critical vulnerabilities, which is notable... This...

Microsoft Patch Tuesday for Feb. 2022 — Snort rules and prominent vulnerabilities

By Jon Munshaw and Chris Neal. Microsoft released its monthly security update Tuesday, disclosing 51 vulnerabilities across its large collection of hardware and software. None of the vulnerabilities disclosed this month are considered “critical,” an extreme rarity for the company’s... This is onl...

Cisco Firepower Threat Defense Snort Modbus DoS (cisco-sa-snort-dos-9D3hJLuj)

According to its self-reported version, Cisco FTD Software is affected by a denial of service DoS vulnerability in its Snort Modbus component due to an integer overflow. An unauthenticated, remote attacker can exploit this issue to cause the Snort process to stop responding. Please see the includ...

Critical Cisco StarOS Bug Grants Root Access via Debug Mode

Cisco released a security update warning about a handful of vulnerabilities lurking in its networking technology, led by a critical bug in the company’s StarOS debug services. Cisco pushed out a fix for its Cisco StarOS Software on Wednesday. Jan. 19. In its advisory, the company said that the fl...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages...

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...