CVE-2019-10155
First published: Mon May 27 2019(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libreswan | <3.29 | 3.29 |
| Libreswan Libreswan | <3.29 | |
| Strongswan Strongswan | <5.0.0 | |
| Xelerance Openswan | ||
| Fedoraproject Fedora | =29 | |
| Fedoraproject Fedora | =30 | |
| Redhat Enterprise Linux | =8.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:3391
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10155
- https://libreswan.org/security/CVE-2019-10155/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EUEXFCN7FAYBKJBQJLYCEUQUCHDEJRZW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFGPGLLKAXSLWFI62A6BZHTZSCHRCBXS/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1713512
- https://libreswan.org/security/CVE-2019-10155/CVE-2019-10155.patch
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1719334
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1719335
- https://access.redhat.com/security/cve/cve-2019-10155
- https://bugzilla.redhat.com/show_bug.cgi?id=1714141
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFGPGLLKAXSLWFI62A6BZHTZSCHRCBXS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUEXFCN7FAYBKJBQJLYCEUQUCHDEJRZW/
Frequently Asked Questions
What is the vulnerability ID for this Libreswan vulnerability?
The vulnerability ID for this Libreswan vulnerability is CVE-2019-10155.
What is the severity level of CVE-2019-10155?
The severity level of CVE-2019-10155 is low with a severity value of 3.1.
How does CVE-2019-10155 affect the Libreswan software?
CVE-2019-10155 affects Libreswan versions up to 3.29 by not verifying the integrity check value of IKEv1 informational exchange packets.
What is the official reference for CVE-2019-10155?
The official references for CVE-2019-10155 are: [Red Hat Security Advisory RHSA-2019:3391](https://access.redhat.com/errata/RHSA-2019:3391), [Red Hat Bugzilla CVE-2019-10155](https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10155), and [Libreswan Security Page for CVE-2019-10155](https://libreswan.org/security/CVE-2019-10155/).
How can I fix CVE-2019-10155?
To fix CVE-2019-10155, update Libreswan software to version 3.29 or above.
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