Vulnerability identifier: #VU77337

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12547

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 execute arbitrary code on the target system.

The vulnerability exists due to the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.0 - 0.11.0 rc2

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External links
http://access.redhat.com/errata/RHSA-2019:0469
http://access.redhat.com/errata/RHSA-2019:0472
http://access.redhat.com/errata/RHSA-2019:0473
http://access.redhat.com/errata/RHSA-2019:0474
http://access.redhat.com/errata/RHSA-2019:0640
http://access.redhat.com/errata/RHSA-2019:1238
http://bugs.eclipse.org/bugs/show_bug.cgi?id=543659

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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.