CVE-2019-16776
High
Description
Versions of the npm CLI prior to 6.13.3 are vulnerable to an Arbitrary File Write. It fails to prevent access to folders outside of the intended node_modules folder through the bin field. A properly constructed entry in the package.json bin field would allow a package publisher to modify and/or gain access to arbitrary files on a user's system when the package is installed. This behavior is still possible through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Npm
PublishedDec 13, 2019
First seenDec 13, 2019
Weakness typeCWE-22Path traversal
How to fix
Update
- npmjs npm6.13.3 or later
- npm6.13.3 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z36UKPO5F3PQ3Q2POMF5LEKXWAH5RUFP/
- access.redhat.com/errata/RHEA-2020:0330
- access.redhat.com/errata/RHSA-2020:0573
- access.redhat.com/errata/RHSA-2020:0579
- access.redhat.com/errata/RHSA-2020:0597
- access.redhat.com/errata/RHSA-2020:0602
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| npmjs npm | v < 6.13.3 | 6.13.3 |
| opensuse leap | 15.1 | — |
| oracle graalvm | 19.3.0.2 | — |
| fedoraproject fedora | 31 | — |
| redhat enterprise_linux | 8.0 | — |
| redhat enterprise_linux_eus | 8.1 | — |
| npmnpm | v < 6.13.3 | 6.13.3 |
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