#VU47271 Resource exhaustion in KDE Connect - CVE-2020-26164

Vulnerability identifier: #VU47271

Vulnerability 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

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
KDE Connect
Operating systems & Components / Operating system package or component

Vendor: KDE.org

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

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

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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.