PT-2018-18858 · Studio 42 · Elfinder

Kevin Kotas + 1 · Published 2018-03-28 · Updated 2022-05-13 · CVE-2018-9109

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Studio 42 elFinder versions prior to 2.1.36 Studio 42 elFinder version 2.1.36

Description The issue is a directory traversal vulnerability in elFinder.class.php with the zipdl() function. This vulnerability 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.

Recommendations For versions prior to 2.1.36, update to version 2.1.36 or later to resolve the issue. For version 2.1.36, update to version 2.1.37 or later to resolve the issue. As a temporary workaround, consider disabling the zipdl() function in elFinder.class.php until a patch is available.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2018-9109

GHSA-44P8-C3WV-F28R

GHSA-45X3-MW7Q-WF7F

Affected Products

Elfinder

References · 11

• 🔥 https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110 · Exploit
• https://github.com/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b5352fd3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2018-9110 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-9109 · Security Note
• https://osv.dev/vulnerability/CVE-2018-9109 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-45x3-mw7q-wf7f · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-44p8-c3wv-f28r · Vendor Advisory
• https://github.com/Studio-42/elFinder · Note
• https://github.com/Studio-42/elFinder/commit/e6351557b86cc10a7651253d2d2aff7f6b918f8e · Note
• https://github.com/Studio-42/elFinder/releases/tag/2.1.36 · Note
• https://github.com/Studio-42/elFinder/releases/tag/2.1.37 · Note