CVE-2020-10749
First published: Fri May 08 2020(Updated: )
A vulnerability was found in affected container networking implementations that allow malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending “rogue” IPv6 router advertisements to the host or other containers, to redirect traffic to the malicious container.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/containernetworking/plugins | <0.8.6 | 0.8.6 |
| redhat/containernetworking/plugins | <0.8.6 | 0.8.6 |
| redhat/containernetworking-plugins | <0:0.8.3-3.el7_8 | 0:0.8.3-3.el7_8 |
| redhat/containernetworking-plugins | <0:0.8.6-1.rhaos4.2.el7 | 0:0.8.6-1.rhaos4.2.el7 |
| redhat/containernetworking-plugins | <0:0.8.6-1.rhaos4.3.el8 | 0:0.8.6-1.rhaos4.3.el8 |
| redhat/containernetworking-plugins | <0:0.8.6-1.rhaos4.4.el8 | 0:0.8.6-1.rhaos4.4.el8 |
| Linuxfoundation Cni Network Plugins | <0.8.6 | |
| Redhat Openshift Container Platform | =4.0 | |
| Fedoraproject Fedora | =32 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 |
Remedy
Prevent untrusted, non-privileged containers from running with CAP_NET_RAW.
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-10749
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10749
- https://groups.google.com/forum/#!topic/kubernetes-security-announce/BMb_6ICCfp8
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DV3HCDZYUTPPVDUMTZXDKK6IUO3JMGJC/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00063.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00065.html
- https://github.com/containernetworking/plugins/releases/tag/v0.8.6
- https://github.com/advisories/GHSA-fx6x-h9g4-56f8 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1833219
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1833215
- https://github.com/containernetworking/plugins/pull/484
- https://github.com/containernetworking/plugins/pull/484/commits/219eb9e0464761c47383d239aba206da695e1a43
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1842693
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1842694
- https://access.redhat.com/errata/RHSA-2020:2443
- https://access.redhat.com/errata/RHSA-2020:2403
- https://access.redhat.com/security/cve/cve-2020-10749
- https://access.redhat.com/errata/RHSA-2020:2684
- https://access.redhat.com/errata/RHSA-2020:2592
- https://access.redhat.com/errata/RHSA-2020:2412
- https://access.redhat.com/errata/RHSA-2020:3194
- https://access.redhat.com/errata/RHSA-2020:4694
- http://www.openvswitch.org/support/dist-docs/ovs-fields.7.txt
- https://access.redhat.com/errata/RHSA-2020:5633
- https://bugzilla.redhat.com/show_bug.cgi?id=1833220
- https://www.cve.org/CVERecord?id=CVE-2020-10749 https://nvd.nist.gov/vuln/detail/CVE-2020-10749 https://groups.google.com/forum/#!topic/kubernetes-security-announce/BMb_6ICCfp8
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2020-10749.
What is the severity level of CVE-2020-10749?
CVE-2020-10749 has a severity level of medium.
Which software versions are affected by CVE-2020-10749?
All versions of containernetworking/plugins before version 0.8.6 are affected by CVE-2020-10749.
How can a malicious container exploit CVE-2020-10749?
A malicious container can exploit CVE-2020-10749 by sending rogue IPv6 router advertisements to the host.
Where can I find more information about CVE-2020-10749?
You can find more information about CVE-2020-10749 at the following references: [Link 1](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1833219), [Link 2](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1833215), [Link 3](https://github.com/containernetworking/plugins/pull/484).
- collector/github-advisory-latest
- alias/GHSA-fx6x-h9g4-56f8
- alias/CVE-2020-10749
- collector/redhat-cve
- collector/nvd-index
- collector/nvd-cve
- agent/author
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/severity
- agent/references
- agent/remedy
- agent/weakness
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/tags
- agent/event
- agent/trending
- package-manager/go
- package-manager/redhat
- vendor/linuxfoundation
- canonical/linuxfoundation cni network plugins
- vendor/redhat
- canonical/redhat openshift container platform
- version/redhat openshift container platform/4.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- canonical/redhat enterprise linux
- version/redhat enterprise linux/7.0
- version/redhat enterprise linux/8.0