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rubygemsRubySecRUBY:RUBY-2014-8090-114641
HistoryNov 12, 2014 - 9:00 p.m.

CVE-2014-8090 ruby: REXML incomplete fix for CVE-2014-8080

2014-11-1221:00:00
RubySec
rubysec.com
11

The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551,
2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows
remote attackers to cause a denial of service (CPU and memory
consumption) a crafted XML document containing an empty string
in an entity that is used in a large number of nested entity
references, aka an XML Entity Expansion (XEE) attack.

NOTE: this vulnerability exists because of an incomplete
fix for CVE-2013-1821 and CVE-2014-8080.