Improper input validation in Deep Extend Project

CVE-2018-3750

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.021 (80.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-3750?
CVE-2018-3750 is a critical-severity vulnerability in Deep Extend Project, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-07-03.
How severe is CVE-2018-3750?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-3750 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.