Vulnerability identifier: #VU59655

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-0217

CWE-ID: CWE-776

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Prosody
Server applications / Mail servers

Vendor: Prosody

Description

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

The vulnerability exists due to improper validation of untrusted XML data. A remote attacker can send specially crafted data to the affected server and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Prosody: 0.1.0 - 23

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External links
http://prosody.im/security/advisory_20220113/

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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. However, proof of concept for this vulnerability is available.