CVE-2020-27799

Published Aug 25, 2022

Last updated 2 years ago

Overview

Description: A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-125
secalert@redhat.com: CWE-119

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "D3527302-7874-4400-B123-99C1CA6FE8EB"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References