Resource exhaustion in Jruby
CVE-2011-4838
JRuby before 1.6.5.1 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.nruns.com/_downloads/advisory28122011.pdf (Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/72019 (VDB Entry, Third Party Advisory, vdb-entry)
- jruby.org/2011/12/27/jruby-1-6-5-1.html (Vendor Advisory)
- secunia.com/advisories/50084 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/47407 (Third Party Advisory, third-party-advisory)
- www.kb.cert.org/vuls/id/903934 (US Government Resource, Third Party Advisory, third-party-advisory)
- rhn.redhat.com/errata/RHSA-2012-1232.html (vendor-advisory, Broken Link)
- archives.neohapsis.com/archives/bugtraq/2011-12/0181.html (mailing-list, Broken Link)
- security.gentoo.org/glsa/glsa-201207-06.xml (vendor-advisory, Third Party Advisory)
- www.ocert.org/advisories/ocert-2011-003.html (Third Party Advisory)