USN-5720-1

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Source

https://ubuntu.com/security/notices/USN-5720-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5720-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-5720-1

Related

Published

2022-11-09T12:00:15.467034Z

Modified

2022-11-09T12:00:15.467034Z

Summary

libzstd vulnerabilities

Details

It was discovered that Zstandard was not properly managing file permissions when generating output files. A local attacker could possibly use this issue to cause a race condition and gain unauthorized access to sensitive data.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libzstd

Package

Name: libzstd
Purl: pkg:deb/ubuntu/libzstd?arch=src?distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.3.1+dfsg-1~ubuntu0.16.04.1+esm3

Affected versions

0.*

0.4.5-1

0.5.1-1

1.*

1.3.1+dfsg-1~ubuntu0.16.04.1

1.3.1+dfsg-1~ubuntu0.16.04.1+esm1

1.3.1+dfsg-1~ubuntu0.16.04.1+esm2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm3",
            "binary_name": "libzstd1"
        },
        {
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm3",
            "binary_name": "libzstd1-dbgsym"
        },
        {
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm3",
            "binary_name": "libzstd1-dev"
        },
        {
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm3",
            "binary_name": "zstd"
        },
        {
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm3",
            "binary_name": "zstd-dbgsym"
        }
    ]
}