CVE-2021-44758

Published Dec 26, 2022

Last updated a year ago

Overview

Description: Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-476

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "537FE65E-6E3F-4441-8B35-7B48214EA04D",
            "versionEndExcluding": "7.7.1"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References