Spoofing attack in KDE Connect



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-451
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 KDE Connect
Operating systems & Components / Operating system package or component

Vendor KDE.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Spoofing attack

EUVDB-ID: #VU48709

Risk: Medium

CVSSv4.0: 5.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to the GUI component in KDE Connect presents only the friendly "deviceName"  identifier to identify the pair during connection. The device name is sent in clear text in UDP broadcast messages for all nodes in the same network segment. A remote attacker can obtain the device name of a real system in the network and later use it in a spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

KDE Connect: 20.03.80 - 20.11.80

CPE2.3 External links

http://seclists.org/oss-sec/2020/q4/169
http://github.com/KDE/kdeconnect-kde/commit/e7518493df7398f27f7dffbfc3f79750bc1fda50


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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