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
CVSS v3 Base Score
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 |