It was found that the Archive::Tar module did not properly sanitize symbolic links when extracting tar archives. An attacker, able to provide a specially crafted archive for processing, could use this flaw to write or overwrite arbitrary files in the context of the Perl interpreter.
Find out more about CVE-2018-12015 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl520-perl-Archive-Tar | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl524-perl-Archive-Tar | Affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-perl526-perl-Archive-Tar | Affected |
| Red Hat Enterprise Linux 7 | perl-Archive-Tar | Affected |
| Red Hat Enterprise Linux 6 | perl | Will not fix |
| Red Hat Enterprise Linux 5 | perl-Archive-Tar | Will not fix |
Vulmon