Vulnerability in Rubygems
CVE-2013-4363
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.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Rubygems — versions 1.8.0, 1.8.1, 1.8.2
- Ruby-Lang Ruby — versions 1.9, 1.9.1, 1.9.2
Weakness classification (CWE)
References
- puppet.com/security/cve/cve-2013-4363
- www.openwall.com/lists/oss-security/2013/09/18/8 (mailing-list, Patch)
- blog.rubygems.org/2013/09/24/CVE-2013-4363.html (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2013/09/14/3 (mailing-list, Patch)
- www.openwall.com/lists/oss-security/2013/09/20/1 (mailing-list, Patch)