DOS

Pierluigi Paganini September 26, 2024
Critical RCE vulnerability found in OpenPLC

Cisco’s Talos reported critical and high-severity flaws in OpenPLC that could lead to DoS condition and remote code execution. Cisco’s Talos threat intelligence unit has disclosed details of five newly patched vulnerabilities in OpenPLC, an open-source programmable logic controller. These vulnerabilities can be exploited to trigger a denial-of-service (DoS) condition or execute remote code. OpenPLC […]

Pierluigi Paganini August 29, 2024
Cisco addressed a high-severity flaw in NX-OS software

Cisco addressed multiple vulnerabilities impacting NX-OS software, including a high-severity flaw in the DHCPv6 relay agent. Cisco released security updates for NX-OS software that address multiple vulnerabilities. The most severe of the vulnerabilities fixed by the IT giant is a high-severity issue tracked as CVE-2024-20446. The vulnerability impacts the DHCPv6 relay agent of NX-OS, an […]

Pierluigi Paganini July 05, 2024
Microsoft discloses 2 flaws in Rockwell Automation PanelView Plus

Microsoft discovered two flaws in Rockwell Automation PanelView Plus that remote, unauthenticated attackers could exploit. Microsoft responsibly disclosed two vulnerabilities in Rockwell Automation PanelView Plus that remote, unauthenticated attackers can exploit to perform remote code execution (RCE) and denial-of-service (DoS). The RCE vulnerability in PanelView Plus involves exploiting two custom classes to upload and load […]

Pierluigi Paganini April 11, 2024
Palo Alto Networks fixed multiple DoS bugs in its firewalls

Palo Alto Networks fixed several vulnerabilities in its PAN-OS operating system, including 3 issues that can trigger a DoS condition on its firewalls. Palo Alto Networks released security updates to address several high-severity vulnerabilities in its PAN-OS operating system. The company fixed the following DoS vulnerabilities: CVE-2024-3385 – The company reported that a packet processing […]

Pierluigi Paganini April 05, 2024
HTTP/2 CONTINUATION Flood technique can be exploited in DoS attacks

HTTP/2 CONTINUATION Flood: Researchers warn of a new HTTP/2 vulnerability that can be exploited to conduct powerful denial-of-service (DoS) attacks. HTTP messages can contain named fields in both header and trailer sections. CERT/CC experts explained that both header and trailer fields are serialized as field blocks in HTTP/2 to transmit them in multiple fragments to […]

Pierluigi Paganini March 14, 2024
Cisco fixed high-severity elevation of privilege and DoS bugs

Cisco this week addressed high-severity elevation of privilege and denial-of-service (DoS) vulnerabilities in IOS RX software. Cisco addressed multiple vulnerabilities in IOS RX software, including three high-severity issues that can be exploited to elevate privileges and trigger a denial-of-service (DoS) condition. The vulnerability CVE-2024-20320 is a Cisco IOS XR Software SSH privilege escalation vulnerability. The […]

Pierluigi Paganini December 05, 2023
ENISA published the ENISA Threat Landscape for DoS Attacks Report

ENISA published the ENISA Threat Landscape for DoS Attacks report to bring new insights to the DoS threat landscape. Denial-of-Service (DoS) attacks pose a persistent and significant security risk for organizations. Over the past few years, threat actors have increasingly had access to cost-effective and efficient means and services to carry out such kinds of […]

Pierluigi Paganini August 27, 2023
Cisco fixes 3 high-severity DoS flaws in NX-OS and FXOS software

Cisco addressed three high-severity flaws in NX-OS and FXOS software that could cause denial-of-service (DoS) conditions. Cisco this week addressed multiple flaws in its products, including three high-severity flaws in NX-OS and FXOS software. An attacker can exploit these three issues to cause a denial-of-service (DoS) condition. Below is the list of flaws addressed by […]

Pierluigi Paganini June 26, 2023
Internet Systems Consortium (ISC) fixed three DoS flaw in BIND

The Internet Systems Consortium (ISC) addressed three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND. The Internet Systems Consortium (ISC) released security updates to address three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND. The three issues, tracked as CVE-2023-2828, CVE-2023-2829 and CVE-2023-2911, are remotely exploitable. ISC states that the three flaws, rated […]

Pierluigi Paganini May 25, 2023
Zyxel firewall and VPN devices affected by critical flaws

Zyxel fixed two critical flaws in multiple firewall and VPN products that can lead to remote code execution or cause a DoS condition. Zyxel addressed two critical buffer overflow vulnerabilities, tracked as CVE-2023-33009 and CVE-2023-33010, that affect several of its firewall and VPN products. A remote, unauthenticated attacker can can trigger the flaws to cause a denial-of-service (DoS) […]