Security Bulletin
Summary
A widely used function in the OpenJ9 JVM is vulnerable to buffer overlows. Multiple Java Runtime components use the vulnerable code, so the issue can manifest in a number of different ways. The fix ensures that the buffer cannot overflow. The vulnerability has been addressed.
Vulnerability Details
CVEID: CVE-2018-12547
DESCRIPTION: In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/157512 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Transformation Extender Advanced (ITXA) | 9.0 |
Remediation/Fixes
Upgrade to ITXA version 9.0.1.0 or higher from Passport Advantage.
Workarounds and Mitigations
Customer may manually upgrade their installation to the latest version of IBM Java.
Get Notified about Future Security Bulletins
References
Change History
20 Nov 2019: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
15 May 2020
UID
ibm16209683