RHSA-2023:5196: Red Hat Security Advisory: frr security and bug fix update

The BGP daemon (bgpd) in IP Infusion ZebOS through 7.10.6 allow remote attackers to cause a denial of service by sending crafted BGP update messages containing a malformed attribute.

Red Hat Security Advisory 2023-5465-01 - FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

An update for frr is now available for Red Hat Enterprise Linux 9.0 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 each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

An update for frr is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. 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 from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation)...

An update for frr is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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 from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

Red Hat Security Advisory 2023-5219-01 - FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

An update for frr is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

An update for frr is now available for Red Hat Enterprise Linux 8.6 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 each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

An update for frr is now available for Red Hat Enterprise Linux 9. 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 from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-38802: A vulnerability was found in FRRouting (FRR). This flaw allows a remote attacker to cause a denial of service issue via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

Debian Linux Security Advisory 5495-1 - Multiple vulnerabilities were discovered in frr, the FRRouting suite of internet protocols, while processing malformed requests and packets the BGP daemon may have reachable assertions, NULL pointer dereference, out-of-bounds memory access, which may lead to denial of service attack.

Cisco has released security fixes to address multiple security flaws, including a critical bug, that could be exploited by a threat actor to take control of an affected system or cause a denial-of service (DoS) condition. The most severe of the issues is CVE-2023-20238, which has the maximum CVSS severity rating of 10.0. It’s described as an authentication bypass flaw in the Cisco BroadWorks