USN-4044-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4044-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4044-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4044-1
Upstream
Related
Published
2019-07-01T20:26:18.733025Z
Modified
2025-10-13T04:34:51Z
Summary
znc vulnerability
Details

Fix vulnerability where an authenticated non-admin users could load a module with a crafted name, then escalate privileges and run arbitrary code.

References

Affected packages

Ubuntu:16.04:LTS / znc

Package

Name
znc
Purl
pkg:deb/ubuntu/znc@1.6.3-1ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.3-1ubuntu0.2

Affected versions

1.*

1.6.1-1
1.6.1-1build1
1.6.1-2
1.6.2-1
1.6.2-2
1.6.2-2build1
1.6.3-1
1.6.3-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "znc",
            "binary_version": "1.6.3-1ubuntu0.2"
        },
        {
            "binary_name": "znc-dev",
            "binary_version": "1.6.3-1ubuntu0.2"
        },
        {
            "binary_name": "znc-perl",
            "binary_version": "1.6.3-1ubuntu0.2"
        },
        {
            "binary_name": "znc-python",
            "binary_version": "1.6.3-1ubuntu0.2"
        },
        {
            "binary_name": "znc-tcl",
            "binary_version": "1.6.3-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2019-12816",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4044-1.json"

Ubuntu:18.04:LTS / znc

Package

Name
znc
Purl
pkg:deb/ubuntu/znc@1.6.6-1ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.6-1ubuntu0.2

Affected versions

1.*

1.6.5-2build2
1.6.5-2build3
1.6.5-2build4
1.6.5-2build5
1.6.6-1
1.6.6-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "znc",
            "binary_version": "1.6.6-1ubuntu0.2"
        },
        {
            "binary_name": "znc-dev",
            "binary_version": "1.6.6-1ubuntu0.2"
        },
        {
            "binary_name": "znc-perl",
            "binary_version": "1.6.6-1ubuntu0.2"
        },
        {
            "binary_name": "znc-python",
            "binary_version": "1.6.6-1ubuntu0.2"
        },
        {
            "binary_name": "znc-tcl",
            "binary_version": "1.6.6-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2019-12816",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4044-1.json"