CVE-2021-43314

Published Mar 24, 2023

Last updated 10 days ago

Overview

Description: A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5368
Source: patrick@puiterwijk.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

patrick@puiterwijk.org: CWE-119
nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BCD4741F-C03D-4C4B-B793-AC2A89A0F1F1",
            "versionEndExcluding": "4.0.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References