CVE-2016-9586 Amazon Linux Security Advisory for curl: ALAS-2017-806

libcurl's implementation of the printf() functions triggers a buffer overflow when doing a large floating point output. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks. This flaw does not exist in the command line tool.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

Please refer to Amazon advisory ALAS-2017-806 for affected packages and patching details, or update with your package manager.

Patch:
Following are links for downloading patches to fix the vulnerabilities:

ALAS-2017-806: Amazon Linux (curl (7.47.1-9.70.amzn1) on i686)

ALAS-2017-806: Amazon Linux (curl (7.47.1-9.70.amzn1) on x86_64)

ALAS-2017-806: Amazon Linux (curl (7.47.1-9.70.amzn1) on src)