{
  "threat_severity" : "Moderate",
  "public_date" : "2022-10-24T00:00:00Z",
  "bugzilla" : {
    "description" : "libtasn1: Out-of-bound access in ETYPE_OK",
    "id" : "2140058",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2140058"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.9",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-193->CWE-125",
  "details" : [ "GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.", "An out-of-bounds read flaw was found in Libtasn1 due to an ETYPE_OK off-by-one error in the asn1_encode_simple_der() function. This flaw allows a remote attacker to pass specially crafted data or invalid values to the application, triggering an off-by-one error, corrupting the memory, and possibly performing a denial of service (DoS) attack." ],
  "statement" : "This flaw enables access to one additional memory byte, significantly constraining the potential damage an attacker could inflict. For this reason it is rated as having a Moderate impact to Red Hat Offerings.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-01-12T00:00:00Z",
    "advisory" : "RHSA-2023:0116",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "libtasn1-0:4.13-4.el8_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-01-12T00:00:00Z",
    "advisory" : "RHSA-2023:0116",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "libtasn1-0:4.13-4.el8_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0427",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.6",
    "package" : "libtasn1-0:4.13-3.el8_6.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-01-23T00:00:00Z",
    "advisory" : "RHSA-2023:0343",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "libtasn1-0:4.16.0-8.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-01-23T00:00:00Z",
    "advisory" : "RHSA-2023:0343",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "libtasn1-0:4.16.0-8.el9_1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "libtasn1",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "libtasn1",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Satellite 6",
    "fix_state" : "Will not fix",
    "package_name" : "libtasn1",
    "cpe" : "cpe:/a:redhat:satellite:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-46848\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-46848" ],
  "name" : "CVE-2021-46848",
  "csaw" : false
}