Directory traversal in iobroker.admin nmp package

1) Path traversal

EUVDB-ID: #VU23320

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10765

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote unauthenticated attacker (authenticated is disabled by default) can send a specially crafted HTTP request and write files outside the intended /log/route.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

iobroker.admin: 0.2.3 - 3.6.10

External links

http://github.com/ioBroker/ioBroker.admin/commit/16b2b325ab47896090bc7f54b77b0a97ed74f5cd
http://snyk.io/vuln/SNYK-JS-IOBROKERADMIN-534634
http://www.npmjs.com/advisories/1346

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?

No. We are not aware of malware exploiting this vulnerability.