CVE-2022-42905

Published Nov 7, 2022

Last updated 2 years ago

CVSS critical 9.1

Overview

Description: In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on the heap of 5 bytes. (WOLFSSL_CALLBACKS is only intended for debugging.)
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.1
Impact score: 5.2
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: CWE-125

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "378BE977-D58E-42F4-BE1F-E4C184971F4A",
            "versionEndExcluding": "5.5.2"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References