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Vulnerability record · CVE-2018-12015 · published 7 June 2018

CVE-2018-12015: Canonical ubuntu linux link following vulnerability

Canonical · Ubuntu Linux

In Perl through 5.26.2, the Archive::Tar module allows remote attackers to bypass a directory-traversal protection mechanism, and overwrite arbitrary files, via an archive file containing a symlink and a regular file with the same name.

7.5 CVSS 3.0 High EPSS 7.3% · top 5.8% CWE-59 · Link following
7.5CVSS 3.0 base score, v2 6.4
7.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
24References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Perl through 5.26.2, the Archive::Tar module allows remote attackers to bypass a directory-traversal protection mechanism, and overwrite arbitrary files, via an archive file containing a symlink and a regular file with the same name.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2019/Mar/49 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104423 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041048 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2097
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900834 ExploitMailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Mar/42 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20180927-0001/ PatchThird Party Advisory
https://support.apple.com/kb/HT209600 Third Party Advisory
https://usn.ubuntu.com/3684-1/ Third Party Advisory
https://usn.ubuntu.com/3684-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4226 Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html
http://seclists.org/fulldisclosure/2019/Mar/49 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104423 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041048 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2097
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900834 ExploitMailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Mar/42 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20180927-0001/ PatchThird Party Advisory
https://support.apple.com/kb/HT209600 Third Party Advisory
https://usn.ubuntu.com/3684-1/ Third Party Advisory
https://usn.ubuntu.com/3684-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4226 Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html

Track CVE-2018-12015 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Source: NIST National Vulnerability Database (record CVE-2018-12015), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.