Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability

A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service...

openSUSE 15 Security Update : envoy-proxy (openSUSE-SU-2022:0065-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2022:0065-1 advisory. - Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with...

Hackers Begin Weaponizing TCP Middlebox Reflection for Amplified DDoS Attacks

Distributed denial-of-service DDoS attacks leveraging a new amplification technique called TCP Middlebox Reflection have been detected for the first time in the wild, six months after the novel attack mechanism was presented in theory. "The attack … abuses vulnerable firewalls and content filteri...

BruteShark - Network Analysis Tool

BruteShark is a Network Forensic Analysis Tool NFAT that performs deep processing and inspection of network traffic mainly PCAP files, but it also capable of directly live capturing from a network interface. It includes: password extracting, building a network map, reconstruct TCP sessions, extra...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-1208)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.2.13. nbdgenlstatus in drivers/block/nbd.c does not check the nlaneststartnoflag return...

Oracle Linux 8 : kvm_utils (ELSA-2022-9172)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9172 advisory. - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501 libguestfs - Document CVE-2021-4158 and CVE-2021-3947 as fixed Mark...

CVE-2021-20322

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

CVE-2021-20322

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

Design/Logic Flaw

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

CVE-2021-20322

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

CVE-2021-20322

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

CVE-2021-20322

CVE-2021-20322 relates to a Linux kernel ICMP handling flaw (ICMP fragment needed/redirect) that lets an off-path attacker quickly discover UDP port usage, bypassing UDP source port randomization. The connected advisories confirm this affects the Linux kernel and multiple distributions and mentio...

Improper Authentication in Kubernetes

A security issue was discovered in the Kubelet and kube-proxy components of Kubernetes which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. For example, if a cluster administrator runs a TCP service on a node that...

GHSA-WQV3-8CM6-H6WG Improper Authentication in Kubernetes

A security issue was discovered in the Kubelet and kube-proxy components of Kubernetes which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. For example, if a cluster administrator runs a TCP service on a node that...

Improper Authentication in Kubernetes

The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally...

Improper Authentication

The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally...

Rocky Linux 8 : nginx:1.18 (RLSA-2021:2259)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:2259 advisory. - A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory...

AlmaLinux 8 : kernel (ALSA-2021:0558)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:0558 advisory. - A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2019-19281)

A vulnerability has been identified in SIMATIC ET 200SP Open Controller CPU 1515SP PC2 incl. SIPLUS variants All versions = V2.5 and = V2.5 and = V2.5 and V20.8. Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a Denial-of-Service condition. The...

Siemens SIMATIC S7-1200 CPU Family Denial of Service (CVE-2013-2780)

Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service defect-mode transition and control outage via crafted packets to UDP port 161 aka the SNMP port. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...