#VU83580 Input validation error in Reactor Netty - CVE-2023-34054

Vulnerability identifier: #VU83580

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-2023-34054

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Reactor Netty
Universal components / Libraries / Libraries used by multiple products

Vendor: Pivotal

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted HTTP requests to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Reactor Netty: 0.5.1 - 0.5.2, 0.6.0 - 0.6.6, 0.7.0 - 0.7.15, 0.8.0 - 0.8.23, 0.9.0 - 0.9.16, 1.0.0-M1 - 1.0.38, 1.1.0 - 1.1.12

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External links
https://spring.io/security/cve-2023-34054

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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.