8.8high
CVE-2018-3722
Prototype Pollution in merge-deep
Also known as GHSA-9g9w-hmvj-5h57
Published 8 y ago · modified 4 mo ago · JSON
CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known
Summary
merge-deep node module before 3.0.1 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.
Exploit prediction (EPSS)
2.00% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | merge-deep | <3.0.1 | 3.0.1 |
Affected products
- HackerOne merge-deep node module
Classification
- Weakness
- CWE-471 Modification of Assumed-Immutable Data (MAID)
References
- github.com /jonschlinkert/merge-deep/commit/2c33634da7129a5aefcc262d2fec2e72224404e5 · x_refsource_MISC, x_transferred
- hackerone.com /reports/310708 · x_refsource_MISC, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2018-3722 · advisory
- github.com /advisories/GHSA-9g9w-hmvj-5h57 · advisory
- npmjs.com /advisories/580 · web
Sources
- CVE List: CVE-2018-3722
- GitHub Advisory: GHSA-9g9w-hmvj-5h57
- NVD: CVE-2018-3722
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.