CVE-2018-9110 Directory Traversal in Studio 42 elFinder

What is CVE-2018-9110?

CVE-2018-9110 is a critical path traversal vulnerability in n/a, published on 28 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Studio 42 elFinder before 2.1.37 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process. NOTE: this issue exists because of an incomplete fix for CVE-2018-9109.

Weakness: CWE-22

Which versions are affected by CVE-2018-9110?

2 open source packages ship an affected version, including studio-42/elfinder. It affects 1 product.

Products include Std42 Elfinder.

How do I fix CVE-2018-9110?

Upgrade studio-42/elfinder to 2.1.37 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-9110 being exploited?

There is no known exploitation of CVE-2018-9110 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-52044 File upload in n/a Critical 9.8
• CVE-2024-38909 Studio 42 elFinder vulnerable to Incorrect Access Control Critical 9.8
• CVE-2022-27115 RCE in Studio-42 elFinder on Windows before 2.1.61 Critical 9.8
• CVE-2021-43421 elFinder Unrestricted File Upload vulnerability Critical 9.8
• CVE-2021-32682 Multiple vulnerabilities leading to RCE Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-44p8-c3wv-f28r.