CVE-2018-9110 — Studio 42 elFinder before 2

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. N

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-03-28T14:00:00.000Z
• Last modified: 2024-08-05T07:17:51.217Z

09References

• github.com — https://github.com/Studio-42/elFinder/releases/tag/2.1.37
• github.com — https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2…
• github.com — https://github.com/Studio-42/elFinder/commit/e6351557b86cc10a7651253d2d2aff7f6b9…