{
  "threat_severity" : "Important",
  "public_date" : "2022-02-22T07:00:00Z",
  "bugzilla" : {
    "description" : "envoy: Incorrect handling of internal redirects to routes with a direct response entry",
    "id" : "2050757",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2050757"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-670",
  "details" : [ "Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.", "A flaw was found in envoy. Due to incorrect handling of the common router, a segfault is possible when internal redirects are routes with a direct response entry." ],
  "affected_release" : [ {
    "product_name" : "OpenShift Service Mesh 2.0",
    "release_date" : "2022-04-07T00:00:00Z",
    "advisory" : "RHSA-2022:1276",
    "cpe" : "cpe:/a:redhat:service_mesh:2.0::el8",
    "package" : "servicemesh-proxy-0:2.0.9-3.el8"
  }, {
    "product_name" : "OpenShift Service Mesh 2.1",
    "release_date" : "2022-04-07T00:00:00Z",
    "advisory" : "RHSA-2022:1275",
    "cpe" : "cpe:/a:redhat:service_mesh:2.1::el8",
    "package" : "servicemesh-proxy-0:2.1.2-4.el8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-21655\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-21655\nhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-7r5p-7fmh-jxpg" ],
  "name" : "CVE-2022-21655",
  "csaw" : false
}