UBUNTU-CVE-2019-12953

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Source
https://ubuntu.com/security/CVE-2019-12953
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-12953.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-12953
Upstream
Published
2020-12-30T20:15:00Z
Modified
2025-09-08T16:45:27Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Dropbear 2011.54 through 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames, a different issue than CVE-2018-15599.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dropbear

Package

Name
dropbear
Purl
pkg:deb/ubuntu/dropbear@2016.72-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2014.*

2014.65-1ubuntu2

2015.*

2015.68-1
2015.70-1
2015.71-1

2016.*

2016.72-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dropbear",
            "binary_version": "2016.72-1"
        },
        {
            "binary_name": "dropbear-bin",
            "binary_version": "2016.72-1"
        },
        {
            "binary_name": "dropbear-initramfs",
            "binary_version": "2016.72-1"
        },
        {
            "binary_name": "dropbear-run",
            "binary_version": "2016.72-1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / dropbear

Package

Name
dropbear
Purl
pkg:deb/ubuntu/dropbear@2017.75-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2017.*

2017.75-2
2017.75-3build1
2017.75-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dropbear",
            "binary_version": "2017.75-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "dropbear-bin",
            "binary_version": "2017.75-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "dropbear-initramfs",
            "binary_version": "2017.75-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "dropbear-run",
            "binary_version": "2017.75-3ubuntu0.1~esm1"
        }
    ]
}