Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYyangtOHZtaC00bWN3

Links in archive can create arbitrary directories

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.

Permalink: https://github.com/advisories/GHSA-62jx-8vmh-4mcw
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYyangtOHZtaC00bWN3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: 11 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Identifiers: GHSA-62jx-8vmh-4mcw, CVE-2021-38511
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-38511
• https://github.com/alexcrichton/tar-rs/issues/238
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tar/RUSTSEC-2021-0080.md
• https://rustsec.org/advisories/RUSTSEC-2021-0080.html
• https://github.com/alexcrichton/tar-rs/pull/259
• https://github.com/advisories/GHSA-62jx-8vmh-4mcw

Repository: https://github.com/alexcrichton/tar-rs
Blast Radius: 31.5

Affected Packages