Vulnerability Details : CVE-2018-3723
Potential exploit
defaults-deep node module before 0.2.4 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, 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.
Vulnerability category: Input validation
Products affected by CVE-2018-3723
- cpe:2.3:a:defaults-deep_project:defaults-deep:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-3723
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-3723
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-3723
-
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.Assigned by: nvd@nist.gov (Primary)
-
The product does not properly protect an assumed-immutable element from being modified by an attacker.Assigned by: support@hackerone.com (Secondary)
References for CVE-2018-3723
-
https://github.com/jonschlinkert/defaults-deep/commit/c873f341327ad885ff4d0f23b3d3bca31b0343e5
exclude __proto__ · jonschlinkert/defaults-deep@c873f34 · GitHubPatch;Third Party Advisory
-
https://hackerone.com/reports/310514
#310514 Prototype pollution attack (defaults-deep)Exploit;Third Party Advisory
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