USN-5078-3

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Source

https://ubuntu.com/security/notices/USN-5078-3

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5078-3.json

JSON Data

https://api.osv.dev/v1/vulns/USN-5078-3

Related

Published

2021-10-13T00:59:27.138221Z

Modified

2021-10-13T00:59:27.138221Z

Summary

squashfs-tools vulnerability

Details

USN-5078-1 fixed a vulnerability in Squashfs-Tools. That update was incomplete and could still result in Squashfs-Tools mishandling certain malformed SQUASHFS files. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem.

References

Affected packages

Ubuntu:20.04:LTS / squashfs-tools

Package

Name: squashfs-tools
Purl: pkg:deb/ubuntu/squashfs-tools@1:4.4-1ubuntu0.3?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:4.4-1ubuntu0.3

Affected versions

1:4.*

1:4.4-1

1:4.4-1ubuntu0.1

1:4.4-1ubuntu0.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:4.4-1ubuntu0.3",
            "binary_name": "squashfs-tools"
        },
        {
            "binary_version": "1:4.4-1ubuntu0.3",
            "binary_name": "squashfs-tools-dbgsym"
        }
    ]
}