Vulnerability identifier: #VU73219

Vulnerability risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-1108

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Undertow
Server applications / Web servers

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to infinite loop caused by an unexpected handshake status updated in SslConduit. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Undertow: 1.2.0 - 2.3.4

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2174246
http://issues.redhat.com/browse/UNDERTOW-2239

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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.