{
  "Definition": [
    {
      "ID": "oval:org.altlinux.errata:def:20213287",
      "Version": "oval:org.altlinux.errata:def:20213287",
      "Class": "patch",
      "Metadata": {
        "Title": "ALT-PU-2021-3287: package `libytnef` update to version 2.0-alt1",
        "AffectedList": [
          {
            "Family": "unix",
            "Platforms": [
              "ALT Linux branch c10f1"
            ],
            "Products": [
              "ALT SP Workstation",
              "ALT SP Server"
            ]
          }
        ],
        "References": [
          {
            "RefID": "ALT-PU-2021-3287",
            "RefURL": "https://errata.altlinux.org/ALT-PU-2021-3287",
            "Source": "ALTPU"
          },
          {
            "RefID": "CVE-2021-3403",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-3403",
            "Source": "CVE"
          },
          {
            "RefID": "CVE-2021-3404",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-3404",
            "Source": "CVE"
          }
        ],
        "Description": "This update upgrades libytnef to version 2.0-alt1. \nSecurity Fix(es):\n\n * CVE-2021-3403: In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.\n\n * CVE-2021-3404: In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.",
        "Advisory": {
          "From": "errata.altlinux.org",
          "Severity": "High",
          "Rights": "Copyright 2024 BaseALT Ltd.",
          "Issued": {
            "Date": "2021-11-17"
          },
          "Updated": {
            "Date": "2021-11-17"
          },
          "BDUs": null,
          "CVEs": [
            {
              "ID": "CVE-2021-3403",
              "CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
              "CVSS3": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "CWE": "CWE-415",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-3403",
              "Impact": "High",
              "Public": "20210304"
            },
            {
              "ID": "CVE-2021-3404",
              "CVSS": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
              "CVSS3": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "CWE": "CWE-787",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-3404",
              "Impact": "High",
              "Public": "20210304"
            }
          ],
          "AffectedCPEs": {
            "CPEs": [
              "cpe:/o:alt:spworkstation:10",
              "cpe:/o:alt:spserver:10"
            ]
          }
        }
      },
      "Criteria": {
        "Operator": "AND",
        "Criterions": [
          {
            "TestRef": "oval:org.altlinux.errata:tst:4001",
            "Comment": "ALT Linux must be installed"
          }
        ],
        "Criterias": [
          {
            "Operator": "OR",
            "Criterions": [
              {
                "TestRef": "oval:org.altlinux.errata:tst:20213287001",
                "Comment": "libytnef is earlier than 0:2.0-alt1"
              },
              {
                "TestRef": "oval:org.altlinux.errata:tst:20213287002",
                "Comment": "libytnef-devel is earlier than 0:2.0-alt1"
              },
              {
                "TestRef": "oval:org.altlinux.errata:tst:20213287003",
                "Comment": "ytnef is earlier than 0:2.0-alt1"
              }
            ]
          }
        ]
      }
    }
  ]
}