5.3
MEDIUM
CVE-2020-27534
Docker Engine Qemu-Check Path Traversal Vulnerability
Description

util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.

INFO

Published Date :

Dec. 30, 2020, 11:15 p.m.

Last Modified :

Jan. 5, 2021, 8:19 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-27534 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-27534 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 Docker docker
1 Mobyproject moby
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-2020-27534.

URL Resource
http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes Third Party Advisory
https://github.com/moby/buildkit/pull/1462 Third Party Advisory
https://github.com/moby/moby/pull/40877 Third Party Advisory
https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory
https://golang.org/pkg/os/#TempDir 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).

⚙ DevSecOps Kubernetes Playground ("A Hacker's Guide to Kubernetes")

Dockerfile Shell Ruby Smarty Jinja HCL

Updated: 2 months, 3 weeks ago
14 stars 2 fork 2 watcher
Born at : July 1, 2022, 7:12 a.m. This repo has been linked 57 different CVEs too.

Underground Nexus Deployment - Dockerhub page - https://hub.docker.com/r/phoenixvlabs/core-nexus

Dockerfile Shell CUE

Updated: 2 years ago
1 stars 0 fork 0 watcher
Born at : June 26, 2022, 3:50 a.m. This repo has been linked 10 different CVEs too.

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

The following list is the news that have been mention CVE-2020-27534 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27534 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]

    Jan. 05, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ No Types Assigned http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/moby/buildkit/pull/1462 No Types Assigned https://github.com/moby/buildkit/pull/1462 Third Party Advisory
    Changed Reference Type https://github.com/moby/moby/pull/40877 No Types Assigned https://github.com/moby/moby/pull/40877 Third Party Advisory
    Changed Reference Type https://golang.org/pkg/io/ioutil/#TempDir No Types Assigned https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory
    Changed Reference Type https://golang.org/pkg/os/#TempDir No Types Assigned https://golang.org/pkg/os/#TempDir Third Party Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:* versions up to (excluding) 19.03.9
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-27534 is associated with the following CWEs:

Exploit Prediction

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

0.16 }} -0.00%

score

0.53260

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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