CWE
119 20
Advisory Published
Updated

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 SoftwareAffected VersionHow 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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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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