#VU93103 Resource exhaustion in XNIO - CVE-2023-5685

Vulnerability identifier: #VU93103

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-5685

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources in NotifierState, when the chain of notifier states becomes problematically large. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XNIO: 3.1.0 - 3.8.15

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External links
https://access.redhat.com/security/cve/CVE-2023-5685
https://bugzilla.redhat.com/show_bug.cgi?id=2241822
https://access.redhat.com/errata/RHSA-2023:7637
https://access.redhat.com/errata/RHSA-2023:7638
https://access.redhat.com/errata/RHSA-2023:7639
https://access.redhat.com/errata/RHSA-2023:7641
https://access.redhat.com/errata/RHSA-2024:2707

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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.