CVE-2019-10155
lowpriority · track · 12EPSS 0.005 · 43 %ileEUUSEPSS · scored 2026-10-28
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. This issue affects versions before 3.29.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedlibreswan-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-0:3.29-6.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debuginfo-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debuginfo-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debuginfo-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debuginfo-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debugsource-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debugsource-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debugsource-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Fixedlibreswan-debugsource-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3391 - Workaroundlibreswan-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-0:3.29-6.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debuginfo-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debuginfo-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debuginfo-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debuginfo-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debugsource-0:3.29-6.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debugsource-0:3.29-6.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debugsource-0:3.29-6.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
- Workaroundlibreswan-debugsource-0:3.29-6.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to use IKEv2 via the "ikev2=insist" keyword.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- RHSA-2019:3391Red Hat Security Advisory: libreswan security and bug fix update2019-11-05csaf · redhat_csafUS
An update for libreswan is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. 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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (23)
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2019:3391cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10155cnnvd
- https://libreswan.org/security/CVE-2019-10155/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EUEXFCN7FAYBKJBQJLYCEUQUCHDEJRZW/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFGPGLLKAXSLWFI62A6BZHTZSCHRCBXS/cnnvd
- https://packetstormsecurity.com/files/155142/Red-Hat-Security-Advisory-2019-3391-01.htmlcnnvd
- https://vigilance.fr/vulnerability/Libreswan-Man-in-the-Middle-via-IKEv1-Informational-Exchange-Packets-29524cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.3208/cnnvd
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