#ddos

Red Hat Security Advisory 2023-5713-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5711-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5709-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 7.0 to SDK 7.0.112 and Runtime 7.0.12. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5708-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23. Issues addressed include a denial of service vulnerability.

The botnet — built for DDoS, backdooring, and dropping malware — is evading standard URL signature detections with a novel approach involving Hex IP addresses.

Mandiant's John Hultquist says to expect anti-Israel influence and espionage campaigns to ramp up as the war grinds on.

Dubbed “HTTP/2 Rapid Reset,” the flaw requires issuing patches to virtually every web server around the world before the problem can be eradicated.

An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog. This issue is triggered when Storm control is enabled and ICMPv6 packets are present on device. This issue affects Juniper Networks: Junos OS * All versions prior to 20.2R3-S6 on QFX5k; * 20.3 versions prior to 20.3R3-S5 on QFX5k; * 20.4 versions prior to 20.4R3-S5 on QFX5k; * 21.1 versions prior to 21.1R3-S4 on QFX5k; * 21.2 versions prior to 21.2R3-S3 on QFX5k; * 21.3 versions prior to 21.3R3-S2 on QFX5k; * 21.4 versions prior to 21.4R3 on QFX5k; * 22.1 versions prior to 22.1R3 on QFX5k; * 22.2 versions prior to 22.2R2 on QFX5k.

Plus, many of the world’s largest cloud providers are warning of a vulnerability that attackers exploited in August to launch the largest distributed denial-of-service attack on record.

The threat actors behind ShellBot are leveraging IP addresses transformed into its hexadecimal notation to infiltrate poorly managed Linux SSH servers and deploy the DDoS malware. "The overall flow remains the same, but the download URL used by the threat actor to install ShellBot has changed from a regular IP address to a hexadecimal value," the AhnLab Security Emergency response Center (ASEC)