[ALAS-2017-915] Amazon Linux AMI 2014.03 - ALAS-2017-915: medium priority package update for ruby24

Package updates are available for Amazon Linux AMI that fix the following vulnerabilities:
CVE-2017-14064:
Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.
1487552:
CVE-2017-14064 ruby: Arbitrary heap exposure during a JSON.generate call

CVE-2017-14033:
The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.
1491866:
CVE-2017-14033 ruby: Buffer underrun in OpenSSL ASN1 decode

CVE-2017-10784:
The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.
1492012:
CVE-2017-10784 ruby: Escape sequence injection vulnerability in the Basic authentication of WEBrick

CVE-2017-0903:
A vulnerability was found where the rubygems module was vulnerable to an unsafe YAML deserialization when inspecting a gem. Applications inspecting gem files without installing them can be tricked to execute arbitrary code in the context of the ruby interpreter.
1500488:
CVE-2017-0903 rubygems: Unsafe object deserialization through YAML formatted gem specifications

CVE-2017-0902:
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
1487589:
CVE-2017-0902 rubygems: DNS hijacking vulnerability

CVE-2017-0901:
RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem.
1487587:
CVE-2017-0901 rubygems: Arbitrary file overwrite due to incorrect validation of specification name

CVE-2017-0900:
RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a query command.
1487588:
CVE-2017-0900 rubygems: No size limit in summary length of gem spec

CVE-2017-0899:
RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.
1487590:
CVE-2017-0899 rubygems: Escape sequence in the "summary" field of gemspec

CVE-2017-0898:
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.
1492015:
CVE-2017-0898 ruby: Buffer underrun vulnerability in Kernel.sprintf