UBUNTU-CVE-2016-4422

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
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 pamsmauthenticate 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
0Unknown 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_version": "0.3.1-1deb8u1build0.14.04.1",
            "binary_name": "libpam-sshauth"
        }
    ]
}

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

Package

Name
libpam-sshauth
Purl
pkg:deb/ubuntu/libpam-sshauth@0.3.1-1ubuntu2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.3.1-1ubuntu2

Affected versions

0.*
0.3.1-1
0.3.1-1ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.3.1-1ubuntu2",
            "binary_name": "libpam-sshauth"
        }
    ]
}

Database specific

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