{
  "threat_severity" : "Moderate",
  "public_date" : "2019-01-20T00:00:00Z",
  "bugzilla" : {
    "description" : "libarchive: Infinite recursion in archive_read_support_format_iso9660.c resulting in denial of service",
    "id" : "1672888",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1672888"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.5",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-835",
  "details" : [ "libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file." ],
  "statement" : "This vulnerability is present in the libarchive package included in Red Hat Virtualization Hypervisor, however it is never exposed to ISO images created by attackers or users, so the vulnerability can not be exploited.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-08-06T00:00:00Z",
    "advisory" : "RHSA-2019:2298",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "libarchive-0:3.1.2-12.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2019-11-05T00:00:00Z",
    "advisory" : "RHSA-2019:3698",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "libarchive-0:3.3.2-7.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "libarchive",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Not affected",
    "package_name" : "redhat-virtualization-host",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2019-1000020\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-1000020" ],
  "name" : "CVE-2019-1000020",
  "csaw" : false
}