CVE-2021-41091 (Medium) detected in github.com/Docker/Docker-v20.10.7+incompatible

[mend-bolt-for-github[bot]]

CVE-2021-41091 - Medium Severity Vulnerability

Vulnerable Library - github.com/Docker/Docker-v20.10.7+incompatible

Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

Library home page: https://proxy.golang.org/github.com/!docker/!docker/@v/v20.10.7+incompatible.zip

Path to dependency file: /go.mod

Path to vulnerable library: /go.mod

Dependency Hierarchy: - github.com/hyperledger-labs/fabric-smart-client (Root Library) - :x: **github.com/Docker/Docker-v20.10.7+incompatible** (Vulnerable Library)

Found in HEAD commit: 999f5d255a183e22a067e6411929924a0bacd65f

Found in base branch: main

Vulnerability Details

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where the data directory (typically `/var/lib/docker`) contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as `setuid`), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers should be stopped and restarted for the permissions to be fixed. For users unable to upgrade limit access to the host to trusted users. Limit access to host volumes to trusted containers.

Publish Date: 2021-10-04

URL: CVE-2021-41091

CVSS 3 Score Details (6.3)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Changed - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/moby/moby/security/advisories/GHSA-3fwx-pjgw-3558

Release Date: 2021-10-04

Fix Resolution: v20.10.9

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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.