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Ubuntu 12.04 ESM USN-3454-2 Critical: Libffi Code Execution

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Calendar Grey October 24, 2017
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Ubuntu Security Notice USN-4567-3 deals with a glibc vulnerability that may enable unauthorized code execution. Immediate upgrade advised.
A security issue was fixed in libffi.

Summary

A security issue was fixed in libffi.

Software Description:

- libffi: Foreign Function Interface library (development files, 32bit)

Details:

USN-3454-1 fixed a vulnerability in libffi. This update

provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that libffi incorrectly enforced an executable  

 stack. An attacker could possibly use this issue, in combination with

 another vulnerability, to facilitate executing arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  libffi6                         3.0.11~rc1-5ubuntu0.1

In general, a standard system update will make all the necessary
changes.

References

  https://ubuntu.com/security/notices/USN-3454-2

  https://ubuntu.com/security/notices/USN-3454-1

  CVE-2017-1000376

Severity
critical
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Critical

October 24, 2017

Package Information

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