#VU77347 Out-of-bounds write in OpenJ9


Published: 2023-06-15

Vulnerability identifier: #VU77347

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-2019-11772

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenJ9
Server applications / Virtualization software

Vendor:

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the String.getBytes(int, int, byte[], int) method does not verify that the provided byte array is non-null nor that the provided index is in bounds when compiled by the JIT. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://access.redhat.com/errata/RHSA-2019:2585
http://access.redhat.com/errata/RHSA-2019:2590
http://access.redhat.com/errata/RHSA-2019:2592
http://access.redhat.com/errata/RHSA-2019:2737
http://bugs.eclipse.org/bugs/show_bug.cgi?id=549075


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.


Latest bulletins with this vulnerability