CVE-2013-4420: Path Traversal
First published: Tue Dec 10 2013(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libtar | 1.2.20-8 1.2.20-8.1 | |
| CentOS Libtar | <=1.2.20 | |
| CentOS Libtar | =1.2.11 | |
| CentOS Libtar | =1.2.13 | |
| CentOS Libtar | =1.2.14 | |
| CentOS Libtar | =1.2.15 | |
| CentOS Libtar | =1.2.16 | |
| CentOS Libtar | =1.2.17 | |
| CentOS Libtar | =1.2.18 | |
| CentOS Libtar | =1.2.19 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2013-4420
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4420
- http://security-tracker.debian.org/tracker/CVE-2013-4420
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=731860
- http://www.debian.org/security/2014/dsa-2863
- https://lists.feep.net:8080/pipermail/libtar/2014-February/000403.html
Frequently Asked Questions
What is the severity of CVE-2013-4420?
CVE-2013-4420 is classified as a high severity vulnerability due to its ability to allow remote attackers to overwrite arbitrary files.
How do I fix CVE-2013-4420?
To fix CVE-2013-4420, upgrade the libtar package to version 1.2.20-9 or later.
Which versions of libtar are affected by CVE-2013-4420?
CVE-2013-4420 affects libtar versions up to and including 1.2.20.
What are the consequences of exploiting CVE-2013-4420?
Exploiting CVE-2013-4420 can lead to unauthorized file access and overwriting of critical system files.
Is CVE-2013-4420 a remote vulnerability?
Yes, CVE-2013-4420 is a remote vulnerability that can be exploited by attackers through crafted tar files.
- agent/references
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/severity
- agent/event
- agent/description
- collector/debian-bugs
- source/Debian
- alias/CVE-2013-4420
- collector/security-tracker-debian
- agent/software-canonical-lookup
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- package-manager/debian
- vendor/feep
- canonical/centos libtar
- version/centos libtar/1.2.20
- version/centos libtar/1.2.11
- version/centos libtar/1.2.13
- version/centos libtar/1.2.14
- version/centos libtar/1.2.15
- version/centos libtar/1.2.16
- version/centos libtar/1.2.17
- version/centos libtar/1.2.18
- version/centos libtar/1.2.19