What is CVE-2013-4420?

CVE-2013-4420 is a vulnerability in Feep Libtar, classified under Path Traversal. Published 2014-02-20.

Is CVE-2013-4420 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Feep Libtar

CVE-2013-4420

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2014-02-20 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.8 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.033 (88.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Feep Libtar — versions 1.2.11, 1.2.13, 1.2.14

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

bugs.debian.org/cgi-bin/bugreport.cgi
www.debian.org/security/2014/dsa-2863 (vendor-advisory)
lists.feep.net:8080/pipermail/libtar/2014-February/000403.html (mailing-list)

Frequently asked questions

What is CVE-2013-4420?: CVE-2013-4420 is a vulnerability in Feep Libtar, classified under Path Traversal. Published 2014-02-20.
Is CVE-2013-4420 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.