CVE-2013-4420

medium

Published 2014-02-20 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.8

Description

Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.

Predictions

Exploit likelihood

20%

Patch ETA

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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 with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1.2.20-2`
debian	bullseye	fixed	`1.2.20-2`

Application impact

Vendor	Product	Versions
feep	libtar	`{"endIncluding":"1.2.20"}`
feep	libtar	`1.2.11`
feep	libtar	`1.2.13`
feep	libtar	`1.2.14`
feep	libtar	`1.2.15`
feep	libtar	`1.2.16`
feep	libtar	`1.2.17`
feep	libtar	`1.2.18`
feep	libtar	`1.2.19`

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.