9.8crit
CVE-2018-3750
Prototype Pollution in deep-extend
Also known as GHSA-hr2v-3952-633q
Published 8 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
2.15% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | deep-extend | <0.5.1 | 0.5.1 |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- hackerone.com /reports/311333 · x_refsource_MISC, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2018-3750 · advisory
- github.com /unclechu/node-deep-extend/commit/9423fae877e2ab6b4aecc4db79a0ed63039d4703 · web
- github.com /advisories/GHSA-hr2v-3952-633q · advisory
- npmjs.com /advisories/612 · web
Sources
- CVE List: CVE-2018-3750
- GitHub Advisory: GHSA-hr2v-3952-633q
- NVD: CVE-2018-3750
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.