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CVE-2014-8090

Public on 2014-11-13
Modified on 2014-11-16
Description

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.

Severity
Medium
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CVSS v3 Base Score
4.3
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 ruby19 2014-11-13 17:25 ALAS-2014-447
Amazon Linux 1 ruby20 2014-11-13 17:26 ALAS-2014-448
Amazon Linux 1 ruby21 2014-11-13 17:26 ALAS-2014-449

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P