CVE-2014-8090: XEE
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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2014-8090?
CVE-2014-8090 has a high severity level as it allows remote attackers to cause a denial of service through CPU and memory consumption.
How do I fix CVE-2014-8090?
To fix CVE-2014-8090, upgrade Ruby to version 1.9.3 patchlevel 551 or higher, 2.0.0 patchlevel 598 or higher, or 2.1.5 or higher.
Which Ruby versions are affected by CVE-2014-8090?
CVE-2014-8090 affects Ruby versions 1.9.x before patchlevel 551, 2.0.x before patchlevel 598, and 2.1.x before patchlevel 5.
What type of attack does CVE-2014-8090 enable?
CVE-2014-8090 enables a denial of service (DoS) attack through resource exhaustion via crafted XML documents.
Is CVE-2014-8090 related to XML processing in Ruby?
Yes, CVE-2014-8090 specifically relates to the REXML parser in Ruby which is vulnerable to handling certain XML entities.