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CVE-2020-2026

Date: June 10, 2020

A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.

Language: Go

Severity Score

Related Resources (18)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWACJQSMY5BVDMVTF3FBN7HZSOSFOG3Q/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJAMOVB7DSOGX7J26QH5HZKU7GSSX2VU
https://nvd.nist.gov/vuln/detail/CVE-2020-2026
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6W5MKF7HSAIL2AX2BX6RV4WWVGUIKVLS
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JPBKAQBF3OR72N55GWM2TDYQP2OHK6H/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7FHA4AF6Y6PAVJBTTQPUEHXZQUOF3P
https://github.com/kata-containers/runtime/releases/tag/1.11.1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JPBKAQBF3OR72N55GWM2TDYQP2OHK6H
https://github.com/kata-containers/runtime/releases/tag/1.10.5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P7FHA4AF6Y6PAVJBTTQPUEHXZQUOF3P/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNJHSSPCKUGJDVXXIXK2JUWCRJDQX7CE/
https://github.com/kata-containers/runtime/pull/2713
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWACJQSMY5BVDMVTF3FBN7HZSOSFOG3Q
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJAMOVB7DSOGX7J26QH5HZKU7GSSX2VU/
https://github.com/kata-containers/runtime/issues/2712
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QNJHSSPCKUGJDVXXIXK2JUWCRJDQX7CE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6W5MKF7HSAIL2AX2BX6RV4WWVGUIKVLS/
https://www.mend.io/vulnerability-database/CVE-2020-2026

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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