CVE-2013-4363
The MITRE CVE dictionary describes this issue as:
Algorithmic complexity vulnerability in Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.2, 1.8.24 through 1.8.26, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression. NOTE: this issue is due to an incomplete fix for CVE-2013-4287.
Find out more about CVE-2013-4363 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Not vulnerable. This issue did not affect the versions of rubygems as shipped with various Red Hat products.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.6 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | High |
| 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).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Subscription Asset Manager 1 | rubygems | Not affected |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | ruby193-ruby | Not affected |
| Red Hat Satellite 6 | rubygems | Not affected |
| Red Hat Satellite 6 | ruby193-rubygems | Not affected |
| Red Hat OpenShift Enterprise 1 | rubygems | Not affected |
| Red Hat OpenShift Enterprise 1 | ruby193-ruby | Not affected |
| Red Hat Enterprise MRG 2 | rubygems | Not affected |
| Red Hat Enterprise Linux OpenStack Platform 3.0 | ruby193-rubygems | Not affected |
| Red Hat Enterprise Linux 7 | ruby | Not affected |
| Red Hat Enterprise Linux 6 | rubygems | Not affected |
External References
CVE description copyright © 2017, The MITRE Corporation