Vulnerability in Rubygems
CVE-2013-4287
Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, 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.
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: 0.033 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · 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
- Red Hat Enterprise Linux — versions 6.0
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2013/09/10/1 (mailing-list, Patch)
- secunia.com/advisories/55381 (third-party-advisory)
- rhn.redhat.com/errata/RHSA-2013-1523.html (vendor-advisory)
- blog.rubygems.org/2013/09/09/CVE-2013-4287.html (Patch, Vendor Advisory)
- puppet.com/security/cve/cve-2013-4287
- rhn.redhat.com/errata/RHSA-2013-1427.html (vendor-advisory, Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2013-1852.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1441.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2014-0207.html (vendor-advisory)