The vulnerability of the Linux operating system’s IPv6 protocol implementation allows a attacker to cause a service failure or potentially have other adverse effects.

The vulnerability of the Linux operating system’s IPv6 kernel implementation stems from synchronization errors when using shared resources. Exploiting this vulnerability can allow a remote attacker to cause service failures or potentially have other adverse effects...

Design/Logic Flaw

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which...

CVE-2023-27594 Cilium vulnerable to potential network policy bypass when routing IPv6 traffic

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which...

CVE-2023-27594

CVE-2023-27594 affects Cilium (eBPF dataplane) where, under specific conditions with IPv6 routing and NodePorts, source IP attribution can misidentify external traffic as coming from the host, potentially bypassing cluster network policies. Affected runtimes are prior to 1.11.15, 1.12.8, and 1.13...

CVE-2023-27594 Cilium vulnerable to potential network policy bypass when routing IPv6 traffic

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which...

CVE-2023-27594 Cilium vulnerable to potential network policy bypass when routing IPv6 traffic

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which...

Potential network policy bypass when routing IPv6 traffic

Impact Under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which Cilium is running. As a consequence, network policies for that cluster might be bypassed, depending on the specific network polici...

GHSA-8FG8-JH2H-F2HC Potential network policy bypass when routing IPv6 traffic

Impact Under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which Cilium is running. As a consequence, network policies for that cluster might be bypassed, depending on the specific network polici...

Server side request forgery (ssrf)

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

PT-2023-21570 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.1.0.beta3 Description: The issue allows attackers to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using an IPv4-mapped IPv6 address. Recommendations: For versions...

CVE-2023-28099 OpenSIPS has vulnerability in the ds_is_in_list() function

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.9 and 3.2.6, if dsisinlist is used with an invalid IP address string NULL is illegal input, OpenSIPS will attempt to print a string from a random address stack garbage, which could lead to a crash. All user...

RHEL 8 : kernel (RHSA-2023:1130)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1130 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: memory corruption in AX8817917...

Debian: Security Advisory (DLA-662-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian: Security Advisory (DLA-310-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5927-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

The vulnerability of the implementation of the IPv6 VPN network protocol on the Cisco IOS XE operating system allows a intruder to cause a service failure.

The vulnerability of the Cisco IOS XE operating system’s IPv6 VPN protocol is related to the occurrence of interpretation conflicts. Exploiting this vulnerability can allow an attacker, operating remotely, to cause service interruptions...

PT-2023-3457

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality. This issue can be exploited by a remote attacker through a new kind of SYN...