CVE-2020-21047

Published Aug 22, 2023

Last updated a year ago

CVSS medium 5.5

Overview

Description: The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "79E8381A-EABD-4085-B282-14AB4B5A0B0E"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References