Path traversal in Perl - CVE-2018-12015

 

Path traversal in Perl - CVE-2018-12015

Published: June 8, 2018 / Updated: June 8, 2018


Vulnerability identifier: #VU13236
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-12015
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Perl
Affected software:
Perl

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when processing malicious input. A remote attacker can trick the victim into extracting a specially crafted tar archive containing a file and a symbolic link (symlink) with the same name, create a file outside of the current working directory, bypass a directory-traversal protection mechanism and create or overwrite files with the privileges of the target user.


How to mitigate CVE-2018-12015

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Sources