Vulnerability identifier: #VU60903
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:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
KCron
Web applications /
Modules and components for CMS
Vendor: KDE.org
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper temporary file handling when reading the existing crontab or saving the new one, which leads to security restrictions bypass and privilege escalation.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
KCron: 2.0.0 - 21.12.2
External links
http://apps.kde.org/kcron/
http://kde.org/info/security/advisory-20220216-1.txt
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.