CVE-2020-27534

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.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	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://golang.org/pkg/os/#TempDir	Third Party Advisory
https://github.com/moby/moby/pull/40877	Third Party Advisory
https://golang.org/pkg/io/ioutil/#TempDir	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*

Information

Published : 2020-12-30 15:15

Updated : 2021-01-05 12:19

NVD link : CVE-2020-27534

Mitre link : CVE-2020-27534

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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Products Affected

docker

docker

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