Vulnerability identifier: #VU64571

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21952

CWE-ID: CWE-770

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Uyuni SUSE Manager
Web applications / Remote management & hosting panels

Vendor:

Description

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

The vulnerability exists due to the "/rhn/manager/frontend-log" script takes a text as a POST parameter and then it writes into the "/var/log/rhn/rhn_web_frontend.log" file. A remote non-authenticated attacker can send arbitrary amount of data to the application log and consume all available disk space, cause a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://bugzilla.suse.com/show_bug.cgi?id=1199512

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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 Internet.

Is there known malware, which exploits this vulnerability?

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