Vulnerability identifier: #VU17877

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7443

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
kauth
Client/Desktop applications / Other client software

Vendor: KDE.org

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input passed parameters with arbitrary types to helpers running as root over DBus. A local user can perform denial of service attack or elevate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

kauth: 4.95.0 - 5.55.0

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External links
http://kde.org/info/security/advisory-20190209-1.txt

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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