Vulnerability CVE-2020-13597


Published: 2020-06-03

Description:
Clusters using Calico (version 3.14.0 and below), Calico Enterprise (version 2.8.2 and below), may be vulnerable to information disclosure if IPv6 is enabled but unused. A compromised pod with sufficient privilege is able to reconfigure the node??s IPv6 interface due to the node accepting route advertisement by default, allowing the attacker to redirect full or partial network traffic from the node to the compromised pod.

Type:

CWE-200

(Information Exposure)

CVSS2 => (AV:N/AC:H/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Remote
High
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Projectcalico -> Calico 

 References:
https://github.com/kubernetes/kubernetes/issues/91507
https://groups.google.com/forum/#!topic/kubernetes-security-announce/BMb_6ICCfp8
https://www.projectcalico.org/security-bulletins/

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