USN-5051-3

Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)

References

Affected packages

Ubuntu:18.04:LTS / openssl1.0

Package

Name: openssl1.0
Purl: pkg:deb/ubuntu/openssl1.0@1.0.2n-1ubuntu5.7?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.0.2n-1ubuntu5.7

Affected versions

1.*

1.0.2n-1ubuntu2

1.0.2n-1ubuntu3

1.0.2n-1ubuntu4

1.0.2n-1ubuntu5

1.0.2n-1ubuntu5.1

1.0.2n-1ubuntu5.2

1.0.2n-1ubuntu5.3

1.0.2n-1ubuntu5.4

1.0.2n-1ubuntu5.5

1.0.2n-1ubuntu5.6

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.0.2n-1ubuntu5.7",
            "binary_name": "libssl1.0-dev"
        },
        {
            "binary_version": "1.0.2n-1ubuntu5.7",
            "binary_name": "libssl1.0.0"
        },
        {
            "binary_version": "1.0.2n-1ubuntu5.7",
            "binary_name": "openssl1.0"
        }
    ]
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "id": "CVE-2021-3712",
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ]
            }
        ],
        "ecosystem": "Ubuntu:18.04:LTS"
    }
}