Vulnerability identifier: #VU55058

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2369

CWE-ID: CWE-347

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle GraalVM Enterprise Edition
Server applications / Virtualization software

Vendor: Oracle

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in JAR validation implementation. A remote attacker can modify the signed JAR file in a way it will be considered as signed.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle GraalVM Enterprise Edition: 20.3.2 - 21.1.0

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External links
http://www.oracle.com/security-alerts/cpujul2021.html

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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.