CVE-2018-12549CWE-111

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it

published February 11, 2019

CVSS
EPSS
2%
Percentile
82.4
In the wild
Unconfirmed
What it is

⚠️ A missing null check in Eclipse OpenJ9's JIT compiler could lead to unexpected behavior during execution! Don’t let this oversight slip through the cracks! Think of it like a restaurant kitchen that skips checking if a pot is empty before trying to serve from it. If that pot is indeed empty, chaos ensues when the dish is served, just like unexpected errors in your application when the null check is omitted. If an attacker exploits this oversight, it could lead to erratic application behavior or crashes. While the exact malicious outcomes are unclear given the severity is tagged as unknown, any instability can result in a less reliable user experience or data inconsistency, which is absolutely devastating in production environments!

Put simply

Think of it like a restaurant kitchen that skips checking if a pot is empty before trying to serve from it. If that pot is indeed empty, chaos ensues when the dish is served, just like unexpected errors in your application when the null check is omitted. This vulnerability arises from the JIT compiler in Eclipse OpenJ9 version 0.11.0, where it may incorrectly skip a null check on the receiver object when performing Unsafe calls, allowing for potential errors in code execution.

What to do

If an attacker exploits this oversight, it could lead to erratic application behavior or crashes. While the exact malicious outcomes are unclear given the severity is tagged as unknown, any instability can result in a less reliable user experience or data inconsistency, which is absolutely devastating in production environments! Update to Eclipse OpenJ9 version 0.11.1 or later to resolve this issue. It’s crucial to ensure your systems are running the latest version to mitigate risks associated with this vulnerability. Regularly auditing your dependencies can help catch these issues before they become major headaches! You've got this! Patch those systems, and you’ll be bolstering your defenses in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02332 · 82.4th percentile
Weakness
CWE-111 · Direct Use of Unsafe JNI
Published
2019-02-11T15:00Z
EPSS history
Timeline
  • 11 FEB 15:00Z
    In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it
    cvelistv5