CVE-2019-16775
High
Description
Versions of the npm CLI prior to 6.13.3 are vulnerable to an Arbitrary File Write. It is possible for packages to create symlinks to files outside of thenode_modules folder through the bin field upon installation. A properly constructed entry in the package.json bin field would allow a package publisher to create a symlink pointing 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
Redhat Enterprise Linux
PublishedDec 13, 2019
First seenDec 13, 2019
Weakness typeCWE-61CWE-61
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 |
|---|---|---|
| redhat enterprise_linux | 8.0 | — |
| redhat enterprise_linux_eus | 8.1 | — |
| npmjs npm | v < 6.13.3 | 6.13.3 |
| opensuse leap | 15.1 | — |
| oracle graalvm | 19.3.0.2, 20.3.3, 21.2.2 | — |
| fedoraproject fedora | 31 | — |
| npmnpm | v < 6.13.3 | 6.13.3 |
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