Wizard Spider Upgrades Ryuk Ransomware to Reach Deep into LANs

The Ryuk ransomware has added two features to enhance its effectiveness: The ability to target systems that are in “standby” or sleep mode; and the use of Address Resolution Protocol ARP pinging to find drives on a company’s LAN. Both are employed after the initial network compromise of a victim...

On-Board 'Mystery Boxes' Threaten Global Shipping Vessels

Commercial shipping environments are rife with vulnerabilities, according to researchers – up to and including unpatched “mystery boxes” that no one knows anything about. “In every single nautical pen test to date we have unearthed a system or device, that of the few crew that were aware, no one...

CVE-2019-10936

Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition...

Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway DoS (cisco-sa-20190925-sip-alg)

According to its self-reported version, Cisco IOS XE Software is affected by a denial of service DoS vulnerability in the Network Address Translation NAT Session Initiation Protocl SIP Application Layer Gateway ALG. This allows an unauthenticated, remote attacker to cause an affected device to...

CVE-2019-10936

Siemens PROFINET devices (e.g., SIMATIC ET200S/ET200SP and related ecosystem listed in the advisory plugins) are affected by CVE-2019-10936. The root cause is handling large amounts of specially crafted UDP packets, enabling an unauthenticated remote attacker to trigger a denial-of-service condit...

CVE-2019-10936

Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition...

CVE-2019-10936

Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition...

CVE-2019-17389

In RIOT 2019.07, the MQTT-SN implementation asymcute mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker via a large packet to prevent a RIOT MQTT-SN client from working until the device is restarted...

CVE-2019-17389

In RIOT 2019.07, the MQTT-SN implementation asymcute mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker via a large packet to prevent a RIOT MQTT-SN client from working until the device is restarted...

Design/Logic Flaw

In RIOT 2019.07, the MQTT-SN implementation asymcute mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker via a large packet to prevent a RIOT MQTT-SN client from working until the device is restarted...

CVE-2019-17389

In RIOT 2019.07, the MQTT-SN implementation asymcute mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker via a large packet to prevent a RIOT MQTT-SN client from working until the device is restarted...

CVE-2019-17389

In RIOT 2019.07, the MQTT-SN implementation (asymcute) mishandles errors during a UDP read, causing the receive loop to terminate. This can allow an attacker to disrupt a RIOT MQTT-SN client by sending a large packet, preventing operation until the device is restarted. (CVE-2019-17389)

PT-2019-3855 · Siemens · Siemens

Name of the Vulnerable Software and Affected Versions: Siemens affected versions not specified Description: The issue is related to errors in handling a large number of UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition. Recommendations: At t...

The vulnerability lies in the implementation of the SIP protocol and the NAT function of the Application Layer Gateway (ALG) of the Cisco IOS XE operating system. This allows a attacker to trigger a reboot of the vulnerable device.

The vulnerability of the SIP protocol implementation and the NAT function of the Application Layer Gateway ALG on the Cisco IOS XE operating system is related to errors in processing SIP packets. Exploiting this vulnerability allows a malicious actor to trigger a restart of the vulnerable device ...

Design/Logic Flaw

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP...

Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP...

Massive Gaming DDoS Exploits Widespread Technology

UPDATE Akamai Wednesday revealed that it’s witnessed the fourth-largest DDoS attack the company has ever encountered, leveraging a widespread and highly exploitable UDP amplification technique known as WS-Discovery WSD. WSD—a consumer device network discovery and connectivity technology—was seen...

New DDoS Vector Observed in the Wild: WSD Attacks Hitting 35/Gbps

Additional research and support provided by Chad Seaman. Introduction Members of Akamai's Security Intelligence Response Team have been investigating a new DDoS vector that leverages a UDP Amplification technique known as WS-Discovery WSD. The situation surrounding WSD was recently made...

CVE-2019-6813

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module all firmware versions and Modicon M340 controller all firmware versions, which could cause denial of service when truncated SNMP packets on port 161/UDP are received by...

Design/Logic Flaw

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module all firmware versions and Modicon M340 controller all firmware versions, which could cause denial of service when truncated SNMP packets on port 161/UDP are received by...