7.1
HIGH
CVE-2020-28914
Kata Containers Impermissible File Permissions Filesystem Escalation
Description

An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.

INFO

Published Date :

Nov. 17, 2020, 10:15 p.m.

Last Modified :

Dec. 4, 2020, 3:25 p.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2020-28914 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Katacontainers runtime
2 Katacontainers kata-containers
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-28914.

URL Resource
https://github.com/kata-containers/kata-containers/pull/1062 Third Party Advisory
https://github.com/kata-containers/runtime/pull/3042 Third Party Advisory
https://github.com/kata-containers/runtime/pull/3051 Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.11.5 Release Notes Third Party Advisory
https://github.com/kata-containers/runtime/releases/tag/1.12.0 Release Notes Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-28914 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-28914 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
    Changed Reference Type https://github.com/kata-containers/kata-containers/pull/1062 No Types Assigned https://github.com/kata-containers/kata-containers/pull/1062 Third Party Advisory
    Changed Reference Type https://github.com/kata-containers/runtime/pull/3042 No Types Assigned https://github.com/kata-containers/runtime/pull/3042 Third Party Advisory
    Changed Reference Type https://github.com/kata-containers/runtime/pull/3051 No Types Assigned https://github.com/kata-containers/runtime/pull/3051 Third Party Advisory
    Changed Reference Type https://github.com/kata-containers/runtime/releases/tag/1.11.5 No Types Assigned https://github.com/kata-containers/runtime/releases/tag/1.11.5 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/kata-containers/runtime/releases/tag/1.12.0 No Types Assigned https://github.com/kata-containers/runtime/releases/tag/1.12.0 Release Notes, Third Party Advisory
    Added CWE NIST CWE-732
    Added CPE Configuration OR *cpe:2.3:a:katacontainers:kata-containers:*:*:*:*:*:*:*:* versions up to (excluding) 1.11.5
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.12065

percentile

CVSS31 - Vulnerability Scoring System
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