CVE-2016-4991

Published Jul 28, 2022

Last updated 2 years ago

CVSS critical 9.8

Overview

Description: Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering. However, the shell escape does not properly encode all special characters, namely, semicolon and curly braces. This can be abused to achieve command execution. This problem affects nodepdf 1.3.0.
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: CWE-77
secalert@redhat.com: CWE-77

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:nodepdf_project:nodepdf:1.3.0:*:*:*:*:node.js:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7F67EE0A-588C-4677-B454-60C1C64222B6"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References