DOS

Pierluigi Paganini October 14, 2020
Talos experts disclosed unpatched DoS flaws in Allen-Bradley adapter

Cisco Talos found several remotely exploitable denial-of-service (DoS) vulnerabilities in a Rockwell Automation industrial automation product. A researcher from Cisco Talos released technical details of several remotely exploitable denial-of-service (DoS) vulnerabilities in an industrial automation product made by Rockwell Automation. The product affected by the flaw is the Allen-Bradley 1794-AENT Flex I/O series B adapter, […]

Pierluigi Paganini September 12, 2020
INVDoS, a severe DoS issue in Bitcoin core remained undisclosed for two years

The INVDoS (Bitcoin Inventory Out-of-Memory Denial-of-Service)Attack would have allowed hackers to crash Bitcoin nodes and alternative chains. Two years ago, the Bitcoin protocol engineer Braydon Fuller. discovered a major uncontrolled memory resource consumption denial-of-service vulnerability (INVDoS), tracked as CVE-2018-17145, that affected the peer-to-peer network code of three implementations of Bitcoin and other blockchains, including Litecoin, Namecoin, […]

Pierluigi Paganini September 10, 2020
Palo Alto Networks fixes severe Code Execution and DoS flaws in PAN-OS

Palo Alto Networks addressed critical and high-severity denial-of-service (DoS) and arbitrary code execution vulnerabilities in its PAN-OS firewall software. Palo Alto Networks has released security updates to patch critical and high-severity denial-of-service (DoS) and arbitrary code execution vulnerabilities in its PAN-OS firewall software. The most severe flaw is a buffer overflow issue can be exploited […]

Pierluigi Paganini August 31, 2020
Hackers are trying to exploit DoS flaw in Cisco IOS XR software running in carrier-grade routers

Cisco warns that threat actors are attempting to exploit a high severity DoS flaw in its Cisco IOS XR software that runs on carrier-grade routers. Cisco warned over the weekend that attackers are trying to exploit a high severity memory exhaustion denial-of-service (DoS) vulnerability (CVE-2020-3566) affecting the Cisco IOS XR Network OS that runs on carrier-grade routers. Cisco IOS XR […]

Pierluigi Paganini August 25, 2020
Google Project Zero expert found 3 flaws in Apache Web Server

Administrators of servers running Apache have to update their installs immediately to fix multiple vulnerabilities disclosed by a Google researcher. Apache Foundation released the 2.4.46 version to address three flaws affecting its web server software that could be potentially exploited by attackers, under specific conditions, to execute arbitrary code or to trigger a DoS condition […]

Pierluigi Paganini July 10, 2020
Juniper Networks addressed many issues in its products

Juniper Networks addressed several vulnerabilities in its firewalls, most of them can be exploited by attackers for denial-of-service (DoS) attacks. Juniper Networks addressed several vulnerabilities in its products, most of them can be exploited by attackers for denial-of-service (DoS) attacks. Half a dozen of the flaws are DoS issues that have been rated high severity. […]

Pierluigi Paganini July 10, 2020
Researchers found allegedly intentional backdoors in FTTH devices from Chinese vendor C-Data

Two security researchers have found undocumented Telnet admin account accounts in 29 FTTH devices from Chinese vendor C-Data. Two security researchers have discovered undocumented Telnet admin account accounts in 29 Fiber-To-The-Home (FTTH) devices from Chinese vendor C-Data. The CDATA OLTs are sold under different brands, including Cdata, OptiLink, V-SOL CN, and BLIY. Some of the […]

Pierluigi Paganini July 02, 2020
Cisco addresses flaws in Small Business Routers and Switches

Cisco announced that it has patched several vulnerabilities affecting its products, including security issues in Small Business routers and switches. Cisco has addressed eight vulnerabilities affecting its products, including flaws in Small Business routers and switches. The most severe flaw, tracked as CVE-2020-3297, affects Small Business and managed switches, it has been rated by Cisco as […]

Pierluigi Paganini June 24, 2020
VMware addresses critical flaws in Workstation and Fusion

VMware addressed 10 vulnerabilities affecting its ESXi, Workstation and Fusion products, including critical and high-severity code issues on the hypervisor. VMware has addressed 10 vulnerabilities affecting ESXi, Workstation and Fusion products, including critical and high-severity issues that can be exploited by attackers to execute arbitrary code on the hypervisor. The most serious issue is a […]

Pierluigi Paganini April 21, 2020
OpenSSL Project fixed high-severity CVE-2020-1967 DoS issue in OpenSSL

The OpenSSL Project has released a security update for OpenSSL that addresses a DoS vulnerability tracked as CVE-2020-1967. The OpenSSL Project released a security update for OpenSSL that patches a high-severity vulnerability, tracked as CVE-2020-1967, that can be exploited by attackers to launch denial-of-service (DoS) attacks. This is the first issue addressed in OpenSSL in […]