CVE-2007-4131

Directory traversal vulnerability in the contains_dot_dot function in src/names.c in GNU tar allows user-assisted remote attackers to overwrite arbitrary files via certain //.. (slash slash dot dot) sequences in directory symlinks in a TAR archive.

Published: 2007-08-25 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4131 is rated Moderate Risk (51.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.74%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4131

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 8.38% 2.74% -5.64%
2 2026-06-08 11.44% 8.38% -3.06%
3 2026-04-13 — 11.44% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2007-4131

OS Trackers for CVE-2007-4131

vendor priority summary link
debian medium CVE-2007-4131 medium priority: Debian including 1 source packages (tar), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-4131
gentoo normal CVE-2007-4131: 1 GLSA(s) (200709-09), 1 atom(s) (app-arch/tar); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-4131
redhat medium — https://access.redhat.com/security/cve/CVE-2007-4131
ubuntu medium CVE-2007-4131 medium priority: Ubuntu including 1 source packages (tar), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-4131

Affected software / configurations for CVE-2007-4131

Vendor Product Version Raw CPE
gnu tar 1.13 cpe:2.3:a:gnu:tar:1.13:*:*:*:*:*:*:*
gnu tar 1.13.5 cpe:2.3:a:gnu:tar:1.13.5:*:*:*:*:*:*:*
gnu tar 1.13.11 cpe:2.3:a:gnu:tar:1.13.11:*:*:*:*:*:*:*
gnu tar 1.13.14 cpe:2.3:a:gnu:tar:1.13.14:*:*:*:*:*:*:*
gnu tar 1.13.16 cpe:2.3:a:gnu:tar:1.13.16:*:*:*:*:*:*:*
gnu tar 1.13.17 cpe:2.3:a:gnu:tar:1.13.17:*:*:*:*:*:*:*
gnu tar 1.13.18 cpe:2.3:a:gnu:tar:1.13.18:*:*:*:*:*:*:*
gnu tar 1.13.19 cpe:2.3:a:gnu:tar:1.13.19:*:*:*:*:*:*:*
gnu tar 1.13.25 cpe:2.3:a:gnu:tar:1.13.25:*:*:*:*:*:*:*
gnu tar 1.14 cpe:2.3:a:gnu:tar:1.14:*:*:*:*:*:*:*
gnu tar 1.14.90 cpe:2.3:a:gnu:tar:1.14.90:*:*:*:*:*:*:*
gnu tar 1.15 cpe:2.3:a:gnu:tar:1.15:*:*:*:*:*:*:*
gnu tar 1.15.1 cpe:2.3:a:gnu:tar:1.15.1:*:*:*:*:*:*:*
gnu tar 1.15.90 cpe:2.3:a:gnu:tar:1.15.90:*:*:*:*:*:*:*
gnu tar 1.15.91 cpe:2.3:a:gnu:tar:1.15.91:*:*:*:*:*:*:*
gnu tar 1.16 cpe:2.3:a:gnu:tar:1.16:*:*:*:*:*:*:*

References for CVE-2007-4131

URL Tags
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=251921
http://docs.info.apple.com/article.html?artnum=307179
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
http://secunia.com/advisories/26573
http://secunia.com/advisories/26590
http://secunia.com/advisories/26603
http://secunia.com/advisories/26604
http://secunia.com/advisories/26655
http://secunia.com/advisories/26673
http://secunia.com/advisories/26674
http://secunia.com/advisories/26781
http://secunia.com/advisories/26822
http://secunia.com/advisories/26984
http://secunia.com/advisories/27453
http://secunia.com/advisories/27861
http://secunia.com/advisories/28136
http://secunia.com/advisories/28255
http://security.FreeBSD.org/advisories/FreeBSD-SA-07:10.gtar.asc
http://security.gentoo.org/glsa/glsa-200709-09.xml
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021680.1-1
http://support.avaya.com/elmodocs2/security/ASA-2007-383.htm
http://www.debian.org/security/2007/dsa-1438
http://www.mandriva.com/security/advisories?name=MDKSA-2007:173
http://www.novell.com/linux/security/advisories/2007_18_sr.html
http://www.redhat.com/support/errata/RHSA-2007-0860.html Patch
http://www.securityfocus.com/archive/1/477731/100/0/threaded
http://www.securityfocus.com/archive/1/477865/100/0/threaded
http://www.securityfocus.com/bid/25417
http://www.securitytracker.com/id?1018599
http://www.trustix.org/errata/2007/0026/
http://www.ubuntu.com/usn/usn-506-1
http://www.us-cert.gov/cas/techalerts/TA07-352A.html US Government Resource
http://www.vupen.com/english/advisories/2007/2958
http://www.vupen.com/english/advisories/2007/4238
https://issues.rpath.com/browse/RPL-1631
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10420
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7779
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00370.html
cvelogic Threat Intelligence