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 severity
Medium
CVSS v3 Base Score
4.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 ruby19 2014-11-13 ALAS-2014-447 Fixed
Amazon Linux 1 ruby20 2014-11-13 ALAS-2014-448 Fixed
Amazon Linux 1 ruby21 2014-11-13 ALAS-2014-449 Fixed

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