CVE-2018-20990
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
An issue was discovered in the tar crate before 0.4.16 for Rust. Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- https://github.com/alexcrichton/tar-rs/pull/156
- https://nvd.nist.gov/vuln/detail/CVE-2018-20990
- https://github.com/alexcrichton/tar-rs/commit/54651a87ae6ba7d81fcc72ffdee2ea7eca2c7e85
- https://github.com/alexcrichton/tar-rs
- https://rustsec.org/advisories/RUSTSEC-2018-0002.html
- https://crates.io/crates/tar
- https://security-tracker.debian.org/tracker/CVE-2018-20990
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.