{
  "Definition": [
    {
      "ID": "oval:org.altlinux.errata:def:20236272",
      "Version": "oval:org.altlinux.errata:def:20236272",
      "Class": "patch",
      "Metadata": {
        "Title": "ALT-PU-2023-6272: package `libnghttp2` update to version 1.57.0-alt1",
        "AffectedList": [
          {
            "Family": "unix",
            "Platforms": [
              "ALT Linux branch c10f2"
            ]
          }
        ],
        "References": [
          {
            "RefID": "ALT-PU-2023-6272",
            "RefURL": "https://errata.altlinux.org/ALT-PU-2023-6272",
            "Source": "ALTPU"
          },
          {
            "RefID": "BDU:2023-06559",
            "RefURL": "https://bdu.fstec.ru/vul/2023-06559",
            "Source": "BDU"
          },
          {
            "RefID": "CVE-2023-44487",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487",
            "Source": "CVE"
          }
        ],
        "Description": "This update upgrades libnghttp2 to version 1.57.0-alt1. \nSecurity Fix(es):\n\n * BDU:2023-06559: Уязвимость реализации протокола HTTP/2, связанная с возможностью формирования потока запросов в рамках уже установленного сетевого соединения, без открытия новых сетевых соединений и без подтверждения получения пакетов, позволяющая нарушителю вызвать отказ в обслуживании\n\n * CVE-2023-44487: The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.",
        "Advisory": {
          "From": "errata.altlinux.org",
          "Severity": "High",
          "Rights": "Copyright 2023 BaseALT Ltd.",
          "Issued": {
            "Date": "2023-10-12"
          },
          "Updated": {
            "Date": "2023-10-12"
          },
          "bdu": [
            {
              "Cvss": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
              "Cvss3": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "Cwe": "CWE-400",
              "Href": "https://bdu.fstec.ru/vul/2023-06559",
              "Impact": "High",
              "Public": "20231010",
              "CveID": "BDU:2023-06559"
            }
          ],
          "Cves": [
            {
              "Cvss3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "Cwe": "CWE-400",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487",
              "Impact": "High",
              "Public": "20231010",
              "CveID": "CVE-2023-44487"
            }
          ],
          "AffectedCpeList": {
            "Cpe": [
              "cpe:/o:alt:spworkstation:10",
              "cpe:/o:alt:spserver:10"
            ]
          }
        }
      },
      "Criteria": {
        "Operator": "AND",
        "Criterions": [
          {
            "TestRef": "oval:org.altlinux.errata:tst:5001",
            "Comment": "ALT Linux must be installed"
          }
        ],
        "Criterias": [
          {
            "Operator": "OR",
            "Criterions": [
              {
                "TestRef": "oval:org.altlinux.errata:tst:20236272001",
                "Comment": "libnghttp2 is earlier than 0:1.57.0-alt1"
              },
              {
                "TestRef": "oval:org.altlinux.errata:tst:20236272002",
                "Comment": "libnghttp2-devel is earlier than 0:1.57.0-alt1"
              },
              {
                "TestRef": "oval:org.altlinux.errata:tst:20236272003",
                "Comment": "libnghttp2-tools is earlier than 0:1.57.0-alt1"
              }
            ]
          }
        ]
      }
    }
  ]
}