=========================================================================Ubuntu Security Notice USN-3454-2
October 24, 2017
libffi vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
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
