USN-4990-1

Source
https://ubuntu.com/security/notices/USN-4990-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4990-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4990-1
Upstream
Related
Published
2021-06-17T11:01:57.787718Z
Modified
2025-10-13T04:35:32Z
Summary
nettle vulnerabilities
Details

It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. (CVE-2021-3580)

It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly use this issue to perform a variant of the Bleichenbacher attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16869)

References

Affected packages

Ubuntu:18.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@3.4.1-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.1-0ubuntu0.18.04.1

Affected versions

3.*

3.3-2
3.4-1
3.4-1ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.4.1-0ubuntu0.18.04.1",
            "binary_name": "libhogweed4"
        },
        {
            "binary_version": "3.4.1-0ubuntu0.18.04.1",
            "binary_name": "libnettle6"
        },
        {
            "binary_version": "3.4.1-0ubuntu0.18.04.1",
            "binary_name": "nettle-bin"
        },
        {
            "binary_version": "3.4.1-0ubuntu0.18.04.1",
            "binary_name": "nettle-dev"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2018-16869",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2021-3580",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@3.5.1+really3.5.1-2ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.1+really3.5.1-2ubuntu0.2

Affected versions

3.*

3.4.1-1
3.5.1+really3.5.1-2
3.5.1+really3.5.1-2ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2",
            "binary_name": "libhogweed5"
        },
        {
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2",
            "binary_name": "libnettle7"
        },
        {
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2",
            "binary_name": "nettle-bin"
        },
        {
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2",
            "binary_name": "nettle-dev"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3580",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}