#VU68844 Type Confusion in OpenJ9 - CVE-2022-3676

Vulnerability identifier: #VU68844

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-3676

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJ9
Server applications / Virtualization software

Vendor: Eclipse

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a type confusion error. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and access or modify memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.0M1 - 0.35.0-m2

---

External links
https://github.com/eclipse/omr/pull/6773
https://gitlab.eclipse.org/eclipsefdn/emo-team/emo/-/issues/389
https://github.com/eclipse-openj9/openj9/pull/16122

---

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.