Link following in Kata Containers - CVE-2020-2024

 

Link following in Kata Containers - CVE-2020-2024

Published: August 5, 2020


Vulnerability identifier: #VU33996
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H]
CVE-ID: CVE-2020-2024
CWE-ID: CWE-59
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service attack.

An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.


Affected software

Kata Containers

How to mitigate CVE-2020-2024

Install updates from vendor's website.

Kata Containers - update to 1.11.0

External References

Related Security Bulletins