Bug 1714141 (CVE-2019-10155) - CVE-2019-10155 libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check
Summary: CVE-2019-10155 libreswan: vulnerability in the processing of IKEv1 informatio...
Alias: CVE-2019-10155
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1719334 1719335 1738853
Blocks: 1714144
TreeView+ depends on / blocked
Reported: 2019-05-27 08:41 UTC by Marian Rehak
Modified: 2021-02-16 21:54 UTC (History)
5 users (show)

Fixed In Version: libreswan 3.29
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in the Libreswan Project. It was discovered that libreswan, strongswan, and openswan did not verify the integrity check value for received IKEv1 Informational Exchange packets.
Clone Of:
Last Closed: 2019-11-06 00:52:44 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:3391 0 None None None 2019-11-05 20:44:38 UTC

Description Marian Rehak 2019-05-27 08:41:52 UTC
The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified.

Bugzilla issue:


Comment 1 Marian Rehak 2019-05-27 08:45:52 UTC

Name: team (Libreswan Project)

Comment 3 Marian Rehak 2019-06-05 07:07:40 UTC
External References:


Comment 4 Dhananjay Arunesh 2019-06-11 14:15:54 UTC
Upstream Patch:

Comment 5 Dhananjay Arunesh 2019-06-11 14:18:11 UTC
Created libreswan tracking bugs for this issue:

Affects: epel-6 [bug 1719334]

Comment 6 Dhananjay Arunesh 2019-06-11 14:19:16 UTC
Created libreswan tracking bugs for this issue:

Affects: fedora-all [bug 1719335]

Comment 8 Paul Wouters 2019-06-11 15:08:00 UTC
note: fedora versions were already in updates-testing before this bug was created (see rhbz#1718986)

Comment 10 msiddiqu 2019-08-06 14:07:10 UTC


Comment 12 Stefan Cornelius 2019-08-08 09:51:53 UTC

If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.

Comment 13 errata-xmlrpc 2019-11-05 20:44:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:3391 https://access.redhat.com/errata/RHSA-2019:3391

Comment 14 Product Security DevOps Team 2019-11-06 00:52:44 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Note You need to log in before you can comment on or make changes to this bug.