Vulnerability identifier: #VU83267

Vulnerability risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5676

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OpenJ9
Server applications / Virtualization software

Vendor: Eclipse

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to JVM can be forced into an infinite busy hang on a spinlock or a segmentation fault if a shutdown signal (SIGTERM, SIGINT or SIGHUP) is received before the JVM has finished initializing. A local privileged user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.40.0

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External links
http://github.com/eclipse-openj9/openj9/pull/18085
http://gitlab.eclipse.org/security/cve-assignement/-/issues/13

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.