CVE-2021-39135

CVE-2021-39135 affects the Node.js npm arborist module, which builds dependency trees and writes into node_modules. The issue arises if the root project’s node_modules folder (or a dependency’s) is replaced with a symbolic link, allowing a local attacker to write package dependencies to an arbitr...

CVE-2021-39134

CVE-2021-39134 affects Node.js @npmcli/arborist. On case-insensitive file systems, Arborist could allow a local attacker to write arbitrary contents to arbitrary filesystem locations via a symlink dependency crafted across conflicting case names (e.g., pwn-a with foo:"file:/some/path" and pwn-b w...