Type confusion

Type Confusion in 802154 ACK Frames Handling. Zephyr versions = v2.4.0 contain NULL Pointer Dereference CWE-476. For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7...

Zephyr 代码问题漏洞

Zephyr is a small real-time operating system for connected, resource-constrained embedded devices. A code issue vulnerability exists in 802154 ACK frame handling in Zephyr version 2.4.0. An attacker can exploit this vulnerability by sending malicious frames that result in a null pointer...

CVE-2021-3320 Type Confusion in 802154 ACK Frames Handling

Type Confusion in 802154 ACK Frames Handling. Zephyr versions = v2.4.0 contain NULL Pointer Dereference CWE-476. For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7...

CVE-2021-3320

CVE-2021-3320 affects Zephyr RTOS: Type Confusion in 802154 ACK frame handling, with Zephyr versions >= 2.4.0 exhibiting a NULL Pointer Dereference (CWE-476). The NVD entry links to GHSA-27r3-rxch-2hm7 for advisory details. Impact is described as a NULL pointer dereference, which can lead to a...

PT-2021-20076

Name of the Vulnerable Software and Affected Versions Zephyr versions = v2.4.0 Description The issue is related to Type Confusion in 802154 ACK Frames Handling, which contains a NULL Pointer Dereference. Recommendations For Zephyr versions = v2.4.0, at the moment, there is no information about a...

CVE-2021-3320: NULL Pointer Dereference

Type Confusion in 802154 ACK Frames Handling. Zephyr versions = v2.4.0 contain NULL Pointer Dereference CWE-476. For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7...

Denial of service

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

CVE-2020-13529

CVE-2020-13529 is a systemd denial-of-service/remote reconfiguration vulnerability tied to DHCP FORCERENEW handling. The connected documents confirm a DHCP FORCERENEW/ACK pairing can allow an attacker to reconfigure a systemd-managed DHCP client. The issue affects systemd components (e.g., system...

CVE-2020-13529

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

CVE-2020-13529

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

CVE-2020-13529: Authentication Bypass by Spoofing

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

“Huge upsurge” in DDoS attacks during pandemic

Researchers at Netscout have released a report analyzing the malicious internet traffic of 2020 and comparing it to the years before. Some of the results were as expected: Brute-forcing credentials and more targeting towards internet-connected devices were foreseeable and have been discussed at...

jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client

A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code,...

jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client

A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code,...

jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client

A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code,...

jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client

A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code,...

jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client

A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code,...

Mitsubishi Electric MELSEC iQ-F Predictable TCP Sequence Number Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mitsubishi Electric MELSEC iQ-F. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of ACK packets. When generating ACK packets, the...

HTTP/2: flood using PING frames results in unbounded memory growth

A flaw was found in HTTP/2. Using PING frames and queuing of response PING ACK frames, a flood attack could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...

HTTP/2: flood using SETTINGS frames results in unbounded memory growth

A flaw was found in HTTP/2. Using SETTINGS frames and queuing of SETTINGS ACK frames, a flood could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...