CVE-2018-12547: Buffer Overflow
First published: Mon Feb 11 2019(Updated: )
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.
Credit: emo@eclipse.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Eclipse Openj9 | <0.12.0 | |
| Redhat Satellite | =5.8 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:0469
- https://access.redhat.com/errata/RHSA-2019:0472
- https://access.redhat.com/errata/RHSA-2019:0473
- https://access.redhat.com/errata/RHSA-2019:0474
- https://access.redhat.com/errata/RHSA-2019:0640
- https://access.redhat.com/errata/RHSA-2019:1238
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=543659
- https://github.com/eclipse/openj9/commit/0971f22d88f42cf7332364ad7430e9bd8681c970
- https://www-01.ibm.com/support/docview.wss?uid=ibm10873332
- https://developer.ibm.com/javasdk/support/security-vulnerabilities/#IBM_Security_Update_March_2019
- https://bugzilla.redhat.com/show_bug.cgi?id=1685611
Frequently Asked Questions
What is CVE-2018-12547?
CVE-2018-12547 is a vulnerability in Eclipse OpenJ9 prior to the 0.12.0 release, where the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter.
What is the severity of CVE-2018-12547?
CVE-2018-12547 has a severity rating of 9.8 (Critical).
Which software is affected by CVE-2018-12547?
CVE-2018-12547 affects Eclipse OpenJ9 up to version 0.12.0, Redhat Satellite version 5.8, and Redhat Enterprise Linux versions 6.0 and 7.0.
How does CVE-2018-12547 affect existing APIs?
CVE-2018-12547 affects existing APIs that called the jio_snprintf() and jio_vsnprintf() functions to exceed the allocated buffer.
How can I fix CVE-2018-12547?
To fix CVE-2018-12547, update to Eclipse OpenJ9 version 0.12.0 or later.
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- version/redhat enterprise linux server/6.0
- version/redhat enterprise linux server/7.0
- canonical/redhat enterprise linux workstation
- version/redhat enterprise linux workstation/6.0
- version/redhat enterprise linux workstation/7.0