UBUNTU-CVE-2020-25658

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Source
https://ubuntu.com/security/CVE-2020-25658
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25658.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-25658
Upstream
Published
2020-11-12T14:15:00Z
Modified
2025-09-08T16:46:20Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.

References

Affected packages

Ubuntu:Pro:14.04:LTS / python-rsa

Package

Name
python-rsa
Purl
pkg:deb/ubuntu/python-rsa@3.1.2-1ubuntu0.1+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

3.*

3.1.2-1
3.1.2-1ubuntu0.1
3.1.2-1ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-rsa",
            "binary_version": "3.1.2-1ubuntu0.1+esm1"
        },
        {
            "binary_name": "python3-rsa",
            "binary_version": "3.1.2-1ubuntu0.1+esm1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / python-rsa

Package

Name
python-rsa
Purl
pkg:deb/ubuntu/python-rsa@3.2.3-1.1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

3.*

3.1.4-1
3.2.3-1
3.2.3-1.1
3.2.3-1.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-rsa",
            "binary_version": "3.2.3-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-rsa",
            "binary_version": "3.2.3-1.1ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / python-rsa

Package

Name
python-rsa
Purl
pkg:deb/ubuntu/python-rsa@3.4.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

3.*

3.4.2-1
3.4.2-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-rsa",
            "binary_version": "3.4.2-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-rsa",
            "binary_version": "3.4.2-1ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / python-rsa

Package

Name
python-rsa
Purl
pkg:deb/ubuntu/python-rsa@4.0-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

4.*

4.0-2
4.0-3
4.0-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-rsa",
            "binary_version": "4.0-3ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:22.04:LTS / python-rsa

Package

Name
python-rsa
Purl
pkg:deb/ubuntu/python-rsa@4.8-1?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*

4.0-4
4.7.2-1
4.8-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-rsa",
            "binary_version": "4.8-1"
        }
    ]
}