#VU77334 Buffer overflow in OpenJ9 - CVE-2019-10245

Vulnerability identifier: #VU77334

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10245

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJ9
Server applications / Virtualization software

Vendor: Eclipse

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to Java bytecode verifier incorrectly allows a method to execute past the end of bytecode array causing crashes. A remote attacker can trigger memory corruption and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.0M1 - 0.13.0

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External links
https://bugs.eclipse.org/bugs/show_bug.cgi?id=545588
https://www.securityfocus.com/bid/108094
https://access.redhat.com/errata/RHSA-2019:1166
https://access.redhat.com/errata/RHSA-2019:1165
https://access.redhat.com/errata/RHSA-2019:1164
https://access.redhat.com/errata/RHSA-2019:1163
https://access.redhat.com/errata/RHSA-2019:1238
https://access.redhat.com/errata/RHSA-2019:1325

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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.