The (1) jdom.rb and (2) rexml.rb components in Active Support in Ruby on Rails before 4.1.11 and 4.2.x before 4.2.2, when JDOM or REXML is enabled, allow remote attackers to cause a denial of service (SystemStackError) via a large XML document depth.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-3227 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Subscription Asset Manager 1 | rubygem-activesupport | Will not fix |
| Red Hat Subscription Asset Manager 1 | ruby193-rubygem-activesupport | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | ruby193-rubygem-activesupport | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-ror41-rubygem-activesupport | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | ror40-rubygem-activesupport | Will not fix |
Vulmon