CVE-2018-3728

moderate-risk
Published 2018-03-30

hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Hoek

Affected Vendors

Hapijs

References (14)

Third Party Advisory http://www.securityfocus.com/bid/103108
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1263
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1264
Patch https://github.com/hapijs/hoek/commit/32ed5c9413321fbc37da5ca81a7cbab693786dee
Exploit https://hackerone.com/reports/310439
Broken Link https://nodesecurity.io/advisories/566
Exploit https://snyk.io/vuln/npm:hoek:20180212
Third Party Advisory http://www.securityfocus.com/bid/103108
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1263
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1264
Patch https://github.com/hapijs/hoek/commit/32ed5c9413321fbc37da5ca81a7cbab693786dee
Exploit https://hackerone.com/reports/310439
Broken Link https://nodesecurity.io/advisories/566
Exploit https://snyk.io/vuln/npm:hoek:20180212
39
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal