{
  "threat_severity" : "Low",
  "public_date" : "2018-02-28T00:00:00Z",
  "bugzilla" : {
    "description" : "policycoreutils: Relabelling of symbolic links in /tmp and /var/tmp change the context of their target instead",
    "id" : "1550122",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1550122"
  },
  "cvss3" : {
    "cvss3_base_score" : "3.9",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-59->CWE-282",
  "details" : [ "Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taking SELinux state from disabled to enable (permissive or enforcing). The issue was found in policycoreutils 2.5-11.", "Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taking SELinux state from disabled to enable (permissive or enforcing)." ],
  "acknowledgement" : "This issue was discovered by Renaud Métrich (Red Hat).",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2018-04-10T00:00:00Z",
    "advisory" : "RHSA-2018:0913",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "policycoreutils-0:2.5-22.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "policycoreutils",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "policycoreutils",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "impact" : "low"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "policycoreutils",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-1063\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1063" ],
  "name" : "CVE-2018-1063",
  "mitigation" : {
    "value" : "Remove any symbolic links from /tmp and /var/tmp directories before relabeling the file system.",
    "lang" : "en:us"
  },
  "csaw" : false
}