#VU14545 Path traversal in Perl and Perlbot


Published: 2018-08-27 | Updated: 2018-08-28

Vulnerability identifier: #VU14545

Vulnerability risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10860

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Perl
Universal components / Libraries / Scripting languages
Perlbot
Universal components / Libraries / Software for developers

Vendor: Perl
perlbot.sourceforge.net

Description

The vulnerability allows a remote attacker to conduct directory traversal attack on the target system.

The vulnerability exists in the Archive::Zip module due to improper sanitization of paths while extracting zip files. A remote unauthenticated attacker can provide a specially crafted archive for processing, bypass security restrictions and write or overwrite arbitrary files in the context of the perl interpreter.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Perl: 5.24.0, 5.23.0 - 5.23.9, 5.26.0 - 5.26.2, 5.16, 5.15, 5.14.0 - 5.14.1, 5.13.1 - 5.13.11, 5.12.0 - 5.12.3, 5.11.0 - 5.11.5, 5.10.0 - 5.10.1, 5.8.0 - 5.8.8, 5.6.0 - 5.6.2, 5.5, 5.4, 5.22.2-1

Perlbot: 1.0 beta - 1.9.2


External links
http://github.com/redhotpenguin/perl-Archive-Zip/commit/95e1df86327


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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