DOS

Pierluigi Paganini January 13, 2021
Microsoft Patch Tuesday for January 2021 fixes 83 flaws, including an actively exploited issue

Microsoft Patch Tuesday security updates for January 2021 address 83 vulnerabilities, including a critical flaw actively exploited in the wild. Microsoft Patch Tuesday security updates for January 2021 fix 83 security vulnerabilities in multiple products, including Microsoft Windows, Edge (EdgeHTML-based), ChakraCore, Office and Microsoft Office Services and Web Apps, Visual Studio, Microsoft Malware Protection Engine, […]

Pierluigi Paganini January 07, 2021
Multiple flaws in Fortinet FortiWeb WAF could allow corporate networks to hack

An expert found multiple serious vulnerabilities in Fortinet’s FortiWeb web application firewall (WAF) that could expose corporate networks to hack. Andrey Medov, a security researcher at Positive Technologies, found multiple serious vulnerabilities in Fortinet’s FortiWeb web application firewall (WAF) that could be exploited by attackers to hack into corporate networks. The flaws, tracked as CVE-2020-29015, CVE-2020-29016, CVE-2020-29018, and […]

Pierluigi Paganini December 08, 2020
OpenSSL is affected by a ‘High Severity’ security flaw, update it now

The OpenSSL Project disclosed a serious security vulnerability in TLS/SSL toolkit that exposes users to denial-of-service (DoS) attacks. The OpenSSL Project warned of a ‘high-severity’ security vulnerability in the TLS/SSL toolkit that exposes users to denial-of-service (DoS) attacks. The flaw is a null pointer dereference, successful exploitation could trigger denial-of-service conditions. The vulnerability was reported […]

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 […]