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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:132446
[Rus]
Version
3
Class
patch
ALTXid
326238
Language
English
Severity
Medium
Title
ELSA-2020-5725 -- kubernetes kubeadm-ha-setup kubernetes-cni kubernetes-cni-plugins security update
Description
kubernetes
[1.12.10-1.0.12]
- CVE-2020-10749: IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements
- CVE-2020-8555: Half-Blind SSRF in kube-controller-manager
Family
unix
Platform
Oracle Linux 7
Product
kubernetes
Reference
VENDOR: ELSA-2020-5725
VENDOR: ELSA-2020-5725
Id:
ELSA-2020-5725
Reference:
http://linux.oracle.com/errata/ELSA-2020-5725.html
CVE: CVE-2020-8555
CVE: CVE-2020-8555
Id:
CVE-2020-8555
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8555
Comment
: The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).
CVSSv2 Score:
3.5
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:S/C:P/I:N/A:N
CVSSv3 Score:
6.3
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CWE:
918 ()
References:
N/A (MLIST)
https://github.com/kubernetes/kubernetes/issues/91542 (CONFIRM)
[oss-security] 20200601 CVE-2020-8555: Kubernetes: Half-Blind SSRF in kube-controller-manager (MLIST)
https://security.netapp.com/advisory/ntap-20200724-0005/ (CONFIRM)
[oss-security] 20210504 [kubernetes] CVE-2020-8562: Bypass of Kubernetes API Server proxy TOCTOU (MLIST)
FEDORA-2020-aeea04cd13 ()
CVE: CVE-2020-10749
CVE: CVE-2020-10749
Id:
CVE-2020-10749
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10749
Comment
: A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows 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.
CVSSv2 Score:
6
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:P
CVSSv3 Score:
6
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE:
CWE-Other ()
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10749 (CONFIRM)
openSUSE-SU-2020:1049 (SUSE)
openSUSE-SU-2020:1050 (SUSE)
https://groups.google.com/forum/#%21topic/kubernetes-security-announce/BMb_6ICCfp8 ()
FEDORA-2021-ccb8a9c403 ()
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