Vulnerability identifier: #VU65495

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-34169

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to compromise the affected system.

The vulnerability exists due to an integer truncation issue when processing malicious XSLT stylesheets. A remote non-authenticated attacker can pass specially crafted data to the application to corrupt Java class files generated by the internal XSLTC compiler and execute arbitrary Java bytecode.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle GraalVM Enterprise Edition: 20.3.6 - 22.1.0

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External links
http://www.oracle.com/security-alerts/cpujul2022.html
http://openjdk.org/groups/vulnerability/advisories/2022-07-19
http://seclists.org/oss-sec/2022/q3/61

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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. However, proof of concept for this vulnerability is available.