UBUNTU-CVE-2021-28091

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Source
https://ubuntu.com/security/CVE-2021-28091
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28091.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-28091
Upstream
Downstream
Related
Published
2021-06-01T12:00:00Z
Modified
2025-10-24T04:50:13Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.

References

Affected packages

Ubuntu:16.04:LTS / lasso

Package

Name
lasso
Purl
pkg:deb/ubuntu/lasso@2.5.0-3ubuntu2?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*

2.4.1-1build1
2.5.0-1
2.5.0-2
2.5.0-3
2.5.0-3build1
2.5.0-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liblasso-perl",
            "binary_version": "2.5.0-3ubuntu2"
        },
        {
            "binary_name": "liblasso3",
            "binary_version": "2.5.0-3ubuntu2"
        },
        {
            "binary_name": "liblasso3-dev",
            "binary_version": "2.5.0-3ubuntu2"
        },
        {
            "binary_name": "python-lasso",
            "binary_version": "2.5.0-3ubuntu2"
        },
        {
            "binary_name": "python3-lasso",
            "binary_version": "2.5.0-3ubuntu2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28091.json"

Ubuntu:18.04:LTS / lasso

Package

Name
lasso
Purl
pkg:deb/ubuntu/lasso@2.5.1-0ubuntu1.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.1-0ubuntu1.2

Affected versions

2.*

2.5.0-5build4
2.5.0-5build5
2.5.0-5ubuntu1
2.5.1-0ubuntu1
2.5.1-0ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liblasso-perl",
            "binary_version": "2.5.1-0ubuntu1.2"
        },
        {
            "binary_name": "liblasso3",
            "binary_version": "2.5.1-0ubuntu1.2"
        },
        {
            "binary_name": "liblasso3-dev",
            "binary_version": "2.5.1-0ubuntu1.2"
        },
        {
            "binary_name": "python-lasso",
            "binary_version": "2.5.1-0ubuntu1.2"
        },
        {
            "binary_name": "python3-lasso",
            "binary_version": "2.5.1-0ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28091.json"

Ubuntu:20.04:LTS / lasso

Package

Name
lasso
Purl
pkg:deb/ubuntu/lasso@2.6.0-7ubuntu1.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.0-7ubuntu1.2

Affected versions

2.*

2.6.0-2ubuntu1
2.6.0-2ubuntu2
2.6.0-7ubuntu1
2.6.0-7ubuntu1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liblasso-perl",
            "binary_version": "2.6.0-7ubuntu1.2"
        },
        {
            "binary_name": "liblasso3",
            "binary_version": "2.6.0-7ubuntu1.2"
        },
        {
            "binary_name": "liblasso3-dev",
            "binary_version": "2.6.0-7ubuntu1.2"
        },
        {
            "binary_name": "python3-lasso",
            "binary_version": "2.6.0-7ubuntu1.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28091.json"