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CVE-2023-38710

Status Candidate

Overview

An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.

Related Files

Red Hat Security Advisory 2023-7052-01
Posted Nov 15, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7052-01 - An update for libreswan is now available for Red Hat Enterprise Linux 8.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-38710
SHA-256 | 06a3b4081801d2a90c5b9c4847aa7a64abe4e18dac6d857c8904e17be026a4f8
Red Hat Security Advisory 2023-6549-01
Posted Nov 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6549-01 - An update for libreswan is now available for Red Hat Enterprise Linux 9.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-38710
SHA-256 | b7408a44077ac3104fdb5921fe4b956136b58d97494a2b62d1f256b9cd4792f6
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