{
  "schema_version": "1.7.0",
  "id": "MGASA-2021-0533",
  "published": "2021-12-02T16:49:28Z",
  "modified": "2021-12-02T16:15:51Z",
  "summary": "Updated busybox packages fix security vulnerability",
  "details": "A NULL pointer dereference in Busybox's hush applet leads to denial of\nservice when processing a crafted shell command, due to missing validation\nafter a \\x03 delimiter character. This may be used for DoS under very rare\nconditions of filtered command input. (CVE-2021-42376)\n\nAn attacker-controlled pointer free in Busybox's hush applet leads to\ndenial of service and possible code execution when processing a crafted\nshell command, due to the shell mishandling the &&& string. This may be\nused for remote code execution under rare conditions of filtered command\ninput. (CVE-2021-42377)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\ngetvar_i function. (CVE-2021-42378)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nnext_input_file function. (CVE-2021-42379)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nclrvar function. (CVE-2021-42380)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nhash_init function. (CVE-2021-42381)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\ngetvar_s function. (CVE-2021-42382)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nevaluate function. (CVE-2021-42383)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nhandle_special function. (CVE-2021-42384)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nevaluate function. (CVE-2021-42385)\n\nA use-after-free in Busybox's awk applet leads to denial of service and\npossibly code execution when processing a crafted awk pattern in the\nnvalloc function. (CVE-2021-42386)\n",
  "upstream": [
    "CVE-2021-42376",
    "CVE-2021-42377",
    "CVE-2021-42378",
    "CVE-2021-42379",
    "CVE-2021-42380",
    "CVE-2021-42381",
    "CVE-2021-42382",
    "CVE-2021-42383",
    "CVE-2021-42384",
    "CVE-2021-42385",
    "CVE-2021-42386"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2021-0533.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=29697"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:8",
        "name": "busybox",
        "purl": "pkg:rpm/mageia/busybox?arch=source&distro=mageia-8"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.34.1-1.mga8"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}