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CVE-2018-12015

28
FAUCET Score

CVE-2018-12015 is a directory traversal vulnerability in the Archive::Tar module of Perl versions through 5.26.2, affecting various products including Apple, Canonical, Debian, and NetApp. Attackers can exploit this by crafting a malicious archive containing a symlink and a regular file with the same name, potentially overwriting arbitrary files. With a CVSS score of 7.5 (High), this vulnerability has a low attack complexity and requires no user interaction, leading to a high impact on integrity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
17.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
7.34%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0734 is in the 90th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl-Archive-Tar-0:1.92-3.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: perl-Archive-Tar
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: perl
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl520-perl-Archive-Tar
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl526-perl-Archive-Tar

Vendor Advisories (1)

redhatCVE-2018-12015Moderate

perl: Directory traversal in Archive::Tar

Jun 7, 2018

References

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