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CVE-2019-16777

Versions of the npm CLI prior to 6.13.4 are vulnerable to an Arbitrary File Overwrite.

Impact

Versions of the npm CLI prior to 6.13.4 are vulnerable to an Arbitrary File Overwrite. It fails to prevent existing globally-installed binaries to be overwritten by other package installations. For example, if a package was installed globally and created a serve binary, any subsequent installs of packages that also create a serve binary would overwrite the previous serve binary. This behavior is still allowed in local installations and also through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.

Affected products

VendorProductAffected versions
NpmjsNpm
before 6.13.4
OpensuseLeap
Version 15.1
OracleGraalvm
Version 19.3.0.2
FedoraprojectFedora
Version 31
RedhatEnterprise Linux
Version 8.0
RedhatEnterprise Linux Eus
Version 8.1

Weakness classification

CWE-22CWE-269

References