HIGH 7.5

GHSA-62jx-8vmh-4mcw

Links in archive can create arbitrary directories

Details

When unpacking a tarball that contains a symlink the tar crate may create directories outside of the directory it's supposed to unpack into. The function errors when it's trying to create a file, but the folders are already created at this point.

Are you affected?

Enter the version of the package you're using.

Affected packages

crates.io / tar

Introduced in: 0 Fixed in: 0.4.36

Upgrade tar to 0.4.36 or newer (ecosystem crates.io).

References

https://nvd.nist.gov/vuln/detail/CVE-2021-38511 [ADVISORY]
https://github.com/alexcrichton/tar-rs/issues/238 [WEB]
https://github.com/alexcrichton/tar-rs/pull/259 [WEB]
https://github.com/alexcrichton/tar-rs [PACKAGE]
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tar/RUSTSEC-2021-0080.md [WEB]
https://rustsec.org/advisories/RUSTSEC-2021-0080.html [WEB]