Medium: ruby20

Issue Overview:

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer. (CVE-2017-9224)

Affected Packages:

ruby20

Issue Correction:
Run yum update ruby20 to update your system.

New Packages:

i686:  
    ruby20-2.0.0.648-2.42.amzn1.i686  
    rubygem20-io-console-0.4.2-2.42.amzn1.i686  
    rubygem20-psych-2.0.0-2.42.amzn1.i686  
    ruby20-devel-2.0.0.648-2.42.amzn1.i686  
    rubygem20-bigdecimal-1.2.0-2.42.amzn1.i686  
    ruby20-libs-2.0.0.648-2.42.amzn1.i686  
    ruby20-debuginfo-2.0.0.648-2.42.amzn1.i686  
  
noarch:  
    ruby20-irb-2.0.0.648-2.42.amzn1.noarch  
    rubygems20-devel-2.0.14.1-2.42.amzn1.noarch  
    ruby20-doc-2.0.0.648-2.42.amzn1.noarch  
    rubygems20-2.0.14.1-2.42.amzn1.noarch  
  
src:  
    ruby20-2.0.0.648-2.42.amzn1.src  
  
x86_64:  
    rubygem20-io-console-0.4.2-2.42.amzn1.x86_64  
    rubygem20-psych-2.0.0-2.42.amzn1.x86_64  
    ruby20-2.0.0.648-2.42.amzn1.x86_64  
    ruby20-libs-2.0.0.648-2.42.amzn1.x86_64  
    ruby20-debuginfo-2.0.0.648-2.42.amzn1.x86_64  
    ruby20-devel-2.0.0.648-2.42.amzn1.x86_64  
    rubygem20-bigdecimal-1.2.0-2.42.amzn1.x86_64  

Additional References

Red Hat: CVE-2017-9224

Mitre: CVE-2017-9224