UBUNTU-CVE-2016-4422

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Source

https://ubuntu.com/security/CVE-2016-4422

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4422.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-4422

Upstream

CVE-2016-4422

Published

2016-05-06T17:59:00Z

Modified

2025-09-08T16:43:44Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - high

Summary

[none]

Details

The pam_sm_authenticate function in pam_sshauth.c in libpam-sshauth might allow context-dependent attackers to bypass authentication or gain privileges via a system user account.

References

Affected packages

Ubuntu:14.04:LTS / libpam-sshauth

Package

Name: libpam-sshauth
Purl: pkg:deb/ubuntu/libpam-sshauth@0.3.1-1deb8u1build0.14.04.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0.3.1-1deb8u1build0.14.04.1

Affected versions

0.*

0.3.1-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libpam-sshauth",
            "binary_version": "0.3.1-1deb8u1build0.14.04.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4422.json"

Ubuntu:16.04:LTS / libpam-sshauth