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.
| Score | Percentile |
|---|---|
| 0.59% | 68.52% |
No CVSS scores in this advisory.
| Type | Value |
|---|---|
| GHSA | GHSA-9qvm-2vhf-q649 ↗ |
| CVE | CVE-2013-4363 ↗ |
Vulnerable version ranges and first patched releases as published by GitHub.
| Ecosystem | Package | Vulnerable range | First patched | Vulnerable functions |
|---|---|---|---|---|
| rubygems | rubygems-update | < 1.8.23.2 | 1.8.23.2 | — |
| rubygems | rubygems-update | >= 1.8.24, < 1.8.27 | 1.8.27 | — |
| rubygems | rubygems-update | >= 2.0.0, < 2.0.10 | 2.0.10 | — |
| rubygems | rubygems-update | >= 2.1.0, < 2.1.5 | 2.1.5 | — |