USN-4990-1

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_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",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "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-2018-16869"
        },
        {
            "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"
                }
            ],
            "id": "CVE-2021-3580"
        }
    ]
}

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_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",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "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"
                }
            ],
            "id": "CVE-2021-3580"
        }
    ]
}