USN-6901-1

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Source

https://ubuntu.com/security/notices/USN-6901-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6901-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-6901-1

Related

Published

2024-07-18T05:18:18.707108Z

Modified

2024-07-18T05:18:18.707108Z

Summary

stunnel4 vulnerability

Details

It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker could potentially use this issue to obtain sensitive information by accessing the tunneled service.

References

Affected packages

Ubuntu:Pro:18.04:LTS / stunnel4

Package

Name: stunnel4
Purl: pkg:deb/ubuntu/stunnel4@3:5.44-1ubuntu3+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3:5.44-1ubuntu3+esm1

Affected versions

3:5.*

3:5.39-2

3:5.42-1

3:5.44-1ubuntu1

3:5.44-1ubuntu2

3:5.44-1ubuntu3

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3:5.44-1ubuntu3+esm1",
            "binary_name": "stunnel4"
        },
        {
            "binary_version": "3:5.44-1ubuntu3+esm1",
            "binary_name": "stunnel4-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / stunnel4

Package

Name: stunnel4
Purl: pkg:deb/ubuntu/stunnel4@3:5.56-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3:5.56-1ubuntu0.2

Affected versions

3:5.*

3:5.55-2build1

3:5.56-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3:5.56-1ubuntu0.2",
            "binary_name": "stunnel4"
        },
        {
            "binary_version": "3:5.56-1ubuntu0.2",
            "binary_name": "stunnel4-dbgsym"
        }
    ]
}