Improper access control

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list ACL that is configured for an interface of an affected device. The vulnerability is due ...

CVE-2021-1389

CVE-2021-1389 affects Cisco IOS XR Software and Cisco NX-OS Software. The root cause is improper processing of IPv6 traffic, allowing an unauthenticated, remote attacker to bypass an interface IPv6 ACL configured on affected devices. Documents corroborate an ACL bypass vector via crafted IPv6 pac...

CVE-2021-1389 Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list ACL that is configured for an interface of an affected device. The vulnerability is due ...

CVE-2021-1389 Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list ACL that is configured for an interface of an affected device. The vulnerability is due ...

CVE-2021-1268 Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability

A vulnerability in the IPv6 protocol handling of the management interfaces of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause an IPv6 flood on the management interface network of an affected device. The vulnerability exists because the software incorrectly forward...

CVE-2021-1268 Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability

A vulnerability in the IPv6 protocol handling of the management interfaces of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause an IPv6 flood on the management interface network of an affected device. The vulnerability exists because the software incorrectly forward...

CVE-2021-1268

Cisco IOS XR Software contains a vulnerability in IPv6 handling on management interfaces that allows an unauthenticated, adjacent attacker to cause an IPv6 flood and potential DoS by injecting IPv6 node-local multicast traffic to the management network. The issue stems from incorrect forwarding o...

Cisco IOS XR Denial of Service Vulnerability (CNVD-2021-09295)

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in Cisco IOS XR's IPv6 protocol processing. The vulnerability stems from the software not properly forwarding IPv6 packets that have an IPv6 no...

Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list ACL that is configured for an interface of an affected device. The vulnerability is due ...

Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability

A vulnerability in the IPv6 protocol handling of the management interfaces of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause an IPv6 flood on the management interface network of an affected device. The vulnerability exists because the software incorrectly forward...

Cisco IOS XR 安全漏洞

Cisco IOS XR software is a modular and fully distributed network operating system for service provider networks. A denial of service vulnerability exists in Cisco IOS XR's IPv6 protocol processing. The vulnerability stems from the software not properly forwarding IPv6 packets that have an IPv6 no...

kernel security, bug fix, and enhancement update

3.10.0-1160.15.2.OL7 - Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 = 15-2.0.3 3.10.0-1160.15.2 - fs nfs: Fix...

PT-2021-1915 · Cisco · Cisco Nx-Os +2

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Cisco NX-OS Software affected versions not specified Description: A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices...

Important: Red Hat Security Advisory: kernel-alt security update

An update for kernel-alt is now available for Red Hat Enterprise Linux 7. 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 each vulnerability fro...

kernel: some ipv6 protocols not encrypted over ipsec tunnel

A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data...

Security Advisory 2021-02-02-1 - netifd and odhcp6c routing loop on IPv6 point to point links (CVE-2021-22161)

DESCRIPTION In case a link prefix route points to a point-to-point link it can trigger a routing loop if the destination IPv6 address belongs to the prefix and is not a local IPv6 address. If such a packet is received and not directed to a local IPv6 address it will be routed back to the...

RHEL 7 : kernel-alt (RHSA-2021:0354)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0354 advisory. The kernel-alt packages provide the Linux kernel version 4.x. Security Fixes: kernel: locking issue in drivers/tty/ttyjobctrl.c can lead to ...

CentOS 8 : python38:3.8 (CESA-2020:4641)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4641 advisory. - PyYAML: command execution through python/object/apply constructor in FullLoader CVE-2019-20477 - python: infinite loop in the tarfile module via...

CentOS 8 : kernel (CESA-2020:1769)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:1769 advisory. - kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence CVE-2018-16871 - Kernel: net: using kernel space address bits to deri...

CVE-2021-0207

An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain traffic to pass through the device upon receipt from an ingress interface filtering certain specific types of traffic which is then being...