Missing initialization of resource in Eclipse Openj9



Published: 2021-04-21 | Updated: 2022-01-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28167
CWE-ID CWE-909
Exploitation vector Network
Public exploit N/A
Vulnerable software
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OpenJ9
Server applications / Virtualization software

Vendor Eclipse

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Missing initialization of resource

EUVDB-ID: #VU60084

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28167

CWE-ID: CWE-909 - Missing initialization of resource

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of the jdk.internal.reflect.ConstantPool API causes the JVM in some cases to pre-resolve certain constant pool entries. This allows a user to call static methods or access static members without running the class initialization method. A remote attacker can send a specially crafted request to the application and observe uninitialized values.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.20.0 - 0.26.0-m2

External links

http://github.com/eclipse/openj9/issues/12016


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.



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