CVE-2020-18378

Published Aug 22, 2023

Last updated a month ago

CVSS medium 6.5

Overview

Description: A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 6.5
Impact score: 3.6
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-476
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-476

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:webassembly:binaryen:1.38.26:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DFEC4DA4-B057-4B2A-8126-17D04D8A66A5"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References