#VU30308 Path traversal in SnapCreek Duplicator - CVE-2020-11738

Vulnerability identifier: #VU30308

Vulnerability risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2020-11738

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SnapCreek Duplicator
Web applications / Modules and components for CMS

Vendor: SnapCreek

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to insufficient sanitization of user-supplied passed via . A remote attacker can send a specially crafted HTTP request containing directory traversal sequences and read contents of arbitrary files on the system.

Mitigation
Update to version 1.3.28.

Vulnerable software versions

SnapCreek Duplicator: 1.3.0 - 1.3.26

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External links
https://snapcreek.com/duplicator/docs/changelog/?lite
https://www.wordfence.com/blog/2020/02/active-attack-on-recently-patched-duplicator-plugin-vulnerability-affects-over-1-million-sites/

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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?

Yes. This vulnerability is being exploited in the wild.