CVE-2018-9109 — Studio 42 elFinder before 2

Studio 42 elFinder before 2.1.36 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.

01What is this vulnerability?

Studio 42 elFinder before 2.1.36 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.

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: 2018-03-28T06:00:00.000Z
• Last modified: 2024-08-05T07:17:51.356Z

09References

• github.com — https://github.com/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b53…
• github.com — https://github.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2…
• github.com — https://github.com/Studio-42/elFinder/releases/tag/2.1.36