Moderate: edk2 security update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: EDK2: integer overflow in CreateHob could lead to HOB OOB R/W CVE-2022-36765 edk2: Predictable TCP Initial Sequence Numbers...

Important: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

RHEL 9 : edk2 (RHSA-2024:4419)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4419 advisory. EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware f...

Predictable TCP ISNs in EDK II Network Package

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DEBIAN-CVE-2023-45237

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

CVE-2020-27636

In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random...

CVE-2020-27213

An issue was discovered in Ethernut Nut/OS 5.1. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existin...

CVE-2020-27213

An issue was discovered in Ethernut Nut/OS 5.1. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existin...

CVE-2020-27634

In Contiki 4.5, TCP ISNs are improperly random...

SUSE CVE-2000-0328

Windows NT 4.0 generates predictable random TCP initial sequence numbers ISN, which allows remote attackers to perform spoofing and session hijacking...

SUSE CVE-2020-35685

An issue was discovered in HCC Nichestack 3.0. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existing...

Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers

Overview Zuken Elmic KASAGO, TCP/IP protocol stack for embedded systems, uses its own random number generator function when generating TCP initial sequence numbers, which leads to use insufficient random values CWE-330. Zuken Elmic reported this vulnerability to JPCERT/CC to notify users of its...

CVE-2022-43501

KASAGO TCP/IP stack provided by Zuken Elmic generates ISNsInitial Sequence Number for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones...

PT-2021-24252 · Netbsd · Netbsd

Name of the Vulnerable Software and Affected Versions: NetBSD versions prior to 9.3 Description: The issue is related to an information leak in the TCP ISN ISS generation algorithm. This leak may potentially allow attackers to gather sensitive information. Recommendations: For versions prior to...

CVE-2021-37186

A vulnerability has been identified in LOGO! CMR2020 All versions V2.2, LOGO! CMR2040 All versions V2.2, SIMATIC RTU3010C All versions V4.0.9, SIMATIC RTU3030C All versions V4.0.9, SIMATIC RTU3031C All versions V4.0.9, SIMATIC RTU3041C All versions V4.0.9. The underlying TCP/IP stack does not...

CVE-2020-35685

An issue was discovered in HCC Nichestack 3.0. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existing...

PT-2021-2232 · Picotcp · Picotcp

Name of the Vulnerable Software and Affected Versions: PicoTCP version 1.7.0 Description: The issue is related to the improper randomness of TCP Initial Sequence Numbers ISNs in the PicoTCP stack implementation. This could potentially allow a remote attacker to gain unauthorized access to protect...

PT-2021-2228 · Oryx · Cyclonetcp

Name of the Vulnerable Software and Affected Versions: Oryx CycloneTCP version 1.9.6 Description: The issue is related to the improper randomness of TCP Initial Sequence Numbers ISNs in the CycloneTCP stack implementation. This could allow a remote attacker to gain unauthorized access to protecte...

PT-2021-2233 · Microchip · Mplab Net

Name of the Vulnerable Software and Affected Versions: Microchip MPLAB Net version 3.6.1 Description: The issue is related to the improper randomness of TCP Initial Sequence Numbers ISNs in the implementation of the MPLAB Net protocol stack. This could allow a remote attacker to gain unauthorized...

PT-2021-2231 · Contiki · Contiki

Name of the Vulnerable Software and Affected Versions: Contiki version 4.5 Description: The issue is related to the improper randomness of TCP Initial Sequence Numbers ISNs in the Contiki OS uIP protocol stack implementation. This could allow a remote attacker to gain unauthorized access to...