USN-4478-1

Source
https://ubuntu.com/security/notices/USN-4478-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4478-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4478-1
Upstream
Related
Published
2020-08-31T17:48:35Z
Modified
2026-02-10T04:41:54Z
Summary
python-rsa vulnerability
Details

It was discovered that Python-RSA incorrectly handled certain ciphertexts. An attacker could possibly use this issue to obtain sensitive information.

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=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.1.2-1ubuntu0.1+esm1

Affected versions

3.*
3.1.2-1
3.1.2-1ubuntu0.1

Ecosystem specific

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "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"
        }
    ]
}

Database specific

cves_map
{
    "cves":  [
        {
            "id":  "CVE-2020-13757",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:14.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4478-1.json"