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CVE-2023-23009

Status Candidate

Overview

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

Related Files

Red Hat Security Advisory 2023-3095-01
Posted May 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-3095-01 - Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2023-23009
SHA-256 | 6ad6b0777cc9afac96066f0ee6b0e9e70aa70203b6d36b01b948da480bc70580
Red Hat Security Advisory 2023-2633-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2633-01 - Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2023-23009
SHA-256 | b31217fc6f88c3b4c19b5762c8a4ec2c9145a305c8812363be874b4b282bbf92
Debian Security Advisory 5368-1
Posted Mar 6, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5368-1 - It was discovered that the libreswan IPsec implementation could be forced into a crash/restart via malformed IKEv2 packets after peer authentication, resulting in denial of service.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2023-23009
SHA-256 | 74882477fb28107aed943fa993f4c9b0d3b7991a4336bac07118bf09e48d93eb
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