CVE-2018-12015 Information

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 Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5