PT-2018-1168 · Eq 3 Ag · Homematic Ccu2

Gregor Kopf + 1 · Published 2018-02-21 · Updated 2020-04-14 · CVE-2018-7300

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions eQ-3 AG Homematic CCU2 versions 2.29.2 and earlier

Description The issue is related to a method called User.setLanguage and is associated with security mechanism weaknesses. This allows remote attackers to write arbitrary files to the device's filesystem and potentially execute arbitrary code on the device using the web interface. The vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Recommendations For versions 2.29.2 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-264

CWE-22

Related Identifiers

BDU:2018-00617

CVE-2018-7300

Affected Products

Homematic Ccu2

References · 5

• 🔥 https://exploit-db.com/exploits/44361 · Exploit
• https://bdu.fstec.ru/vul/2018-00617 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-7300 · Security Note
• https://osv.dev/vulnerability/CVE-2018-7300 · Vendor Advisory
• http://atomic111.github.io/article/homematic-ccu2-filewrite · Note