CVE-2018-3750

Description

The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.

CVSS Metrics

• v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
• v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.29%• Percentile: 53%

Techniques & Countermeasures

• CWE-20•Improper Input Validation

  The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

• deep_extend_project•deep_extend

  ≤ 0.5.0

• Npm•deep-extend

  < 0.5.1

References (5)

• https://hackerone.com/reports/311333
• https://nvd.nist.gov/vuln/detail/CVE-2018-3750
• https://github.com/unclechu/node-deep-extend/commit/9423fae877e2ab6b4aecc4db79a0ed63039d4703
• https://github.com/advisories/GHSA-hr2v-3952-633q
• https://www.npmjs.com/advisories/612