vuln-ubuntu/data/osv/usn/USN-4267-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-4267-1",
  "summary": "mbedtls vulnerabilities",
  "details": "It was discovered that mbedtls has a bounds-check bypass through an integer\noverflow that can be used by an attacked to execute arbitrary code or cause a\ndenial of service.\n(CVE-2017-18187)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could\nexecute arbitrary code or cause a denial of service (buffer overflow)\nvia a crafted certificate chain that is mishandled during RSASSA-PSS\nsignature verification within a TLS or DTLS session.\n(CVE-2018-0487)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could\nexecute arbitrary code or cause a denial of service (heap corruption) via a\ncrafted application packet within a TLS or DTLS session.\n(CVE-2018-0488)\n\nIt was discovered that mbedtls has a vulnerability that allows remote\nattackers to achieve partial plaintext recovery (for a CBC based ciphersuite)\nvia a timing-based side-channel attack.\n(CVE-2018-0497)\n\nIt was discovered that mbedtls has a vulnerability that allows local users to\nachieve partial plaintext recovery (for a CBC based ciphersuite) via a\ncache-based side-channel attack.\n(CVE-2018-0498)\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2017-18187",
    "UBUNTU-CVE-2018-0487",
    "UBUNTU-CVE-2018-0488",
    "UBUNTU-CVE-2018-0497",
    "UBUNTU-CVE-2018-0498"
  ],
  "related": [],
  "published": "2020-02-05T12:12:16Z",
  "modified": "2026-04-27T14:11:25Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "mbedtls",
        "purl": "pkg:deb/ubuntu/mbedtls@2.2.1-2ubuntu0.3?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.1-2ubuntu0.3"
            }
          ]
        }
      ],
      "versions": [
        "2.1.2-1",
        "2.2.0-1",
        "2.2.1-1",
        "2.2.1-2",
        "2.2.1-2ubuntu0.1",
        "2.2.1-2ubuntu0.2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libmbedcrypto0",
            "binary_version": "2.2.1-2ubuntu0.3"
          },
          {
            "binary_name": "libmbedtls10",
            "binary_version": "2.2.1-2ubuntu0.3"
          },
          {
            "binary_name": "libmbedx509-0",
            "binary_version": "2.2.1-2ubuntu0.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2017-18187",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            },
            {
              "id": "CVE-2018-0487",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            },
            {
              "id": "CVE-2018-0488",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            },
            {
              "id": "CVE-2018-0497",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            },
            {
              "id": "CVE-2018-0498",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4267-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-18187"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0487"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0488"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0497"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-0498"
    }
  ]
}