CVE-2020-27790

Published Aug 18, 2022

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.
Source: secalert@redhat.com
NVD status: Analyzed

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-369
secalert@redhat.com: CWE-369

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "2A4A2432-18AE-4B27-A527-030DD9D34F93",
            "versionEndExcluding": "3.96"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References