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.
Source :
[email protected]
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.
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
Underground Nexus Deployment - Dockerhub page - https://hub.docker.com/r/phoenixvlabs/core-nexus
Dockerfile Shell CUE
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
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:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-27534
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.02%
score
0.48741
percentile