{
  "Definition": [
    {
      "ID": "oval:org.altlinux.errata:def:20211492",
      "Version": "oval:org.altlinux.errata:def:20211492",
      "Class": "patch",
      "Metadata": {
        "Title": "ALT-PU-2021-1492: package `tor` update to version 0.4.5.7-alt1",
        "AffectedList": [
          {
            "Family": "unix",
            "Platforms": [
              "ALT Linux branch p10"
            ],
            "Products": [
              "ALT Server",
              "ALT Virtualization Server",
              "ALT Workstation",
              "ALT Workstation K",
              "ALT Education",
              "Simply Linux",
              "Starterkit"
            ]
          }
        ],
        "References": [
          {
            "RefID": "ALT-PU-2021-1492",
            "RefURL": "https://errata.altlinux.org/ALT-PU-2021-1492",
            "Source": "ALTPU"
          },
          {
            "RefID": "BDU:2021-01891",
            "RefURL": "https://bdu.fstec.ru/vul/2021-01891",
            "Source": "BDU"
          },
          {
            "RefID": "BDU:2021-01909",
            "RefURL": "https://bdu.fstec.ru/vul/2021-01909",
            "Source": "BDU"
          },
          {
            "RefID": "CVE-2021-28089",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-28089",
            "Source": "CVE"
          },
          {
            "RefID": "CVE-2021-28090",
            "RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-28090",
            "Source": "CVE"
          }
        ],
        "Description": "This update upgrades tor to version 0.4.5.7-alt1. \nSecurity Fix(es):\n\n * BDU:2021-01891: Уязвимость функции dirvote_add_signatures_to_pending_consensus() браузера Tor, связанная с недостатком использования функции assert(), позволяющая нарушителю вызвать отказ в обслуживании\n\n * BDU:2021-01909: Уязвимость функции dump_desc() браузера Tor, позволяющая нарушителю вызвать отказ в обслуживании\n\n * CVE-2021-28089: Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.\n\n * CVE-2021-28090: Tor before 0.4.5.7 allows a remote attacker to cause Tor directory authorities to exit with an assertion failure, aka TROVE-2021-002.",
        "Advisory": {
          "From": "errata.altlinux.org",
          "Severity": "High",
          "Rights": "Copyright 2024 BaseALT Ltd.",
          "Issued": {
            "Date": "2021-03-16"
          },
          "Updated": {
            "Date": "2021-03-16"
          },
          "BDUs": [
            {
              "ID": "BDU:2021-01891",
              "CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "CVSS3": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "CWE": "CWE-617",
              "Href": "https://bdu.fstec.ru/vul/2021-01891",
              "Impact": "Low",
              "Public": "20210303"
            },
            {
              "ID": "BDU:2021-01909",
              "CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "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/2021-01909",
              "Impact": "High",
              "Public": "20210210"
            }
          ],
          "CVEs": [
            {
              "ID": "CVE-2021-28089",
              "CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "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-2021-28089",
              "Impact": "High",
              "Public": "20210319"
            },
            {
              "ID": "CVE-2021-28090",
              "CVSS": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "CVSS3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "CWE": "CWE-617",
              "Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-28090",
              "Impact": "Low",
              "Public": "20210319"
            }
          ],
          "AffectedCPEs": {
            "CPEs": [
              "cpe:/o:alt:kworkstation:10",
              "cpe:/o:alt:workstation:10",
              "cpe:/o:alt:server:10",
              "cpe:/o:alt:server-v:10",
              "cpe:/o:alt:education:10",
              "cpe:/o:alt:slinux:10",
              "cpe:/o:alt:starterkit:p10",
              "cpe:/o:alt:kworkstation:10.1",
              "cpe:/o:alt:workstation:10.1",
              "cpe:/o:alt:server:10.1",
              "cpe:/o:alt:server-v:10.1",
              "cpe:/o:alt:education:10.1",
              "cpe:/o:alt:slinux:10.1",
              "cpe:/o:alt:starterkit:10.1",
              "cpe:/o:alt:kworkstation:10.2",
              "cpe:/o:alt:workstation:10.2",
              "cpe:/o:alt:server:10.2",
              "cpe:/o:alt:server-v:10.2",
              "cpe:/o:alt:education:10.2",
              "cpe:/o:alt:slinux:10.2",
              "cpe:/o:alt:starterkit:10.2"
            ]
          }
        }
      },
      "Criteria": {
        "Operator": "AND",
        "Criterions": [
          {
            "TestRef": "oval:org.altlinux.errata:tst:2001",
            "Comment": "ALT Linux must be installed"
          }
        ],
        "Criterias": [
          {
            "Operator": "OR",
            "Criterions": [
              {
                "TestRef": "oval:org.altlinux.errata:tst:20211492001",
                "Comment": "tor is earlier than 0:0.4.5.7-alt1"
              }
            ]
          }
        ]
      }
    }
  ]
}