CVE-2020-16898-Bad-Neighbor

Simple policy to detect CVE-2020-16898: Bad Neighbor Las siguientes funcionalidades son proporcionadas por el script :: 1 El script verifica según la heurística descrita aquí: https://www.mcafee.com/blogs/other-blogs/mcafee-labs/cve-2020-16898-bad-neighbor/ Instalación zeek-pkg install...

CVE-2020-16898

CVE-2020-16898: "Bad Neighbor" Puntuación CVSS: 8.8 Vector CVSS: CVSS3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C Resumen El 13 de octubre, Microsoft anunció una vulnerabilidad excepcionalmente crítica en la pila IPv6 de Windows, que permite a un atacante enviar paquetes maliciosamente...

CVE-2020-10749

CVE-2020-10749 CVE-2020-10749 PoC Kubernetes MitM attacks via IPv6 rogue router advertisements For educational purposes only Requirements Kubernetes cluster with the following kubelet version kubelet v1.18.0-v1.18.3 kubelet v1.17.0-v1.17.6 kubelet mtu 1450 state UP inet6...

Docker-Container-CVE-2020-13401

CVE-2020-13401 Study Study on CVE-2020-13401 vulnerability of containers in dockers older than 19.03.11 Containers that are created with Docker Engine versions before 19.03.11 are vulnerable to receive and apply fake RA Router Advertisement messages from other containers in the network. Receiving...

sylkie

sylkie A command line tool and library for testing networks for common address spoofing security vulnerabilities in IPv6 networks using the Neighbor Discovery Protocol. Getting Started Note: This project is still in the early phases of development. If you run into any problems, please consider...

CentOS Linux 7 [TuxCare] Security Update: radvd (CENTOS7:CLSA-2026:1785838548)

The CentOS Linux 7 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1785838548 advisory. - radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer overflo...

Rocky Linux 9.6 [TuxCare] Security Update: radvd (ALMALINUX9.6:CLSA-2026:1783421652)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783421652 advisory. - radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer...

Rocky Linux 10.2 [CIQ] Security Update: dhcpcd / dhcpcd-debuginfo / dhcpcd-debugsource (crlsa-2026_54210)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202654210 advisory. dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length IPv6 ND option in Router Advertisement handling CVE-2026-14258 Tenable has extracted the...

AlmaLinux 9.2 [TuxCare] Security Update: libndp / libndp-devel (ALMALINUX9.2:CLSA-2025:1745270484)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745270484 advisory. - A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in NetworkManager, triggered by...

AlmaLinux 9.6 [TuxCare] Security Update: radvd (ALMALINUX9.6:CLSA-2026:1783421652)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783421652 advisory. - radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer...

AlmaLinux 9.2 [TuxCare] Security Update: radvd (ALMALINUX9.2:CLSA-2026:1783420753)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783420753 advisory. - radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack buffer...

EulerOS Virtualization 2.10.1 : radvd (EulerOS-SA-2026-3853)

According to the versions of the radvd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the radvdump utility shipped with radvd contains a stack...

CVE-2026-15893

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

EUVD-2026-77767

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-15893

CVE-2026-15893 affects the Zephyr RTOS IPv6 Neighbor Discovery stack. The function net_if_ipv6_calc_reachable_time() in subsys/net/ip/net_if.c computes a randomized reachable time from base_reachable_time using integer division. When the Reachable Time field of an incoming Router Advertisement is...

CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

CVE-2026-15893: Reachable Assertion

netifipv6calcreachabletime in subsys/net/ip/netif.c derives a randomized ND reachable time from ipv6-basereachabletime as minreachable + sysrand32get % maxreachable - minreachable, where minreachable = base/2 and maxreachable = 3base/2 using integer division. When basereachabletime is 1, both...

PT-2026-91392

net if ipv6 calc reachable time in subsys/net/ip/net if.c derives a randomized ND reachable time from ipv6-base reachable time as min reachable + sys rand32 get % max reachable - min reachable, where min reachable = base/2 and max reachable = 3base/2 using integer division. When base reachable ti...