IBM Support

Security Bulletin: Eclipse OpenJ9 jio_snprintf() and jio_vsnprintf() buffer overflow and

Created by Tian Qi Geng on
Published URL:
https://www.ibm.com/support/pages/node/874706
874706

Security Bulletin


Summary

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. These functions were not directly callable by non-native user code. And This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Vulnerability Details

CVEIDC: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 Environmental Score*: Undefined
CVSS Attack Vector: Network
CVEID:CVE-2018-1890
DESCRIPTION:  This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2018-1890 for the current score
CVSS Environmental Score*: Undefined
CVSS Attack Vector: Undefined

Affected Products and Versions

IBM and Eclipse Foundation OpenJ9 0.8

IBM SDK, Java Technology Edition 6.0,7.0,8.0

Remediation/Fixes

You must replace the IBM® Runtime Environment, Java™ Technology Edition that is installed with IBM InfoSphere Optim Performance Manager for DB2 on Linux, UNIX, and Windows with the latest IBM® Runtime Environment, Java™ Technology Edition. Detailed instructions are provided in the tech-note:  “Updating the IBM Runtime Environment, Java™ Technology Edition for InfoSphere Optim Performance Manager”

Workarounds and Mitigations

N/A

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

None

*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:
08 July 2021

UID

ibm10874706

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