Denial of service in KDE Connect



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-26164
CWE-ID CWE-400
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 KDE Connect
Client/Desktop applications / Software for system administration

Vendor KDE.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU47271

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-26164

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when processing network packets. A remote attacker on a local network can send specially crafted packets to other hosts running kdeconnect and cause the application to consume large amounts of CPU and memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

KDE Connect: 0.4.1 - 20.08.0

CPE2.3 External links

https://kde.org/info/security/advisory-20201002-1.txt


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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