#VU63159 Allocation of Resources Without Limits or Throttling in XNIO - CVE-2022-0084

Vulnerability identifier: #VU63159

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0084

CWE-ID: CWE-770

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XNIO
Universal components / Libraries / Libraries used by multiple products

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to notifyReadClosed method from main/java/org/xnio/StreamConnection.java logs data into debug log instead of stderr. As a result, an attacker can trigger the application to log enormous amount of data and consume all available space.

Mitigation
Install update from vendor's website.

Vulnerable software versions

XNIO: 3.8.6 - 3.8.7

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2064226

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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.