Ubuntu Security Notice 3454-1 - 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.
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Ubuntu Security Notice USN-3454-1
October 12, 2017
libffi vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
A security issue was fixed in libffi.
Software Description:
- libffi: Foreign Function Interface library
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 14.04 LTS:
libffi6 3.1~rc1+r3.0.13-12ubuntu0.2
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3454-1
CVE-2017-1000376
Package Information:
https://launchpad.net/ubuntu/+source/libffi/3.1~rc1+r3.0.13-12ubuntu0.2
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