CVE-2019-20149
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name, as demonstrated by 'constructor': {'name':'Symbol'}. Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.0.3+dfsg-1 |
| sid | Fixed | 6.0.3+dfsg-1 |
| forky | Fixed | 6.0.3+dfsg-1 |
| bullseye | Fixed | 6.0.3+dfsg-1 |
| bookworm | Fixed | 6.0.3+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | kind-of | >=6.0.0,<6.0.3 | 6.0.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-20149
- https://github.com/jonschlinkert/kind-of/issues/30
- https://github.com/jonschlinkert/kind-of/pull/31
- https://github.com/jonschlinkert/kind-of/commit/1df992ce6d5a1292048e5fe9c52c5382f941ee0b
- https://snyk.io/vuln/SNYK-JS-KINDOF-537849
- https://www.npmjs.com/advisories/1490
- https://security-tracker.debian.org/tracker/CVE-2019-20149
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.