CVE-2019-12312

Priority
Description
In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon
restart. An attacker can trigger a NULL pointer dereference by initiating
an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange
instead of the normallly expected IKE_AUTH exchange. This affects
send_v2N_spi_response_from_state() in programs/pluto/ikev2_send.c that will
then trigger a NULL pointer dereference leading to a restart of libreswan.
Notes
ebarrettolibreswan only verion 3.27 affected
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (code not present)
Ubuntu 19.04 (Disco Dingo):needed
Ubuntu 19.10 (Eoan):not-affected (3.27-5)
More Information

Updated: 2019-10-09 06:51:38 UTC (commit 33aea848a182c0afcd0a3f927a01a7ecd9a061ee)