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CVE Database

CVE-2011-4838

Impact: Moderate
Public: 2011-12-28
Bugzilla: 770820: CVE-2011-4838 jruby: hash table collisions DoS (oCERT-2011-003)

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2011-4838 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 5.0
Base Metrics: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Low
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).

Red Hat security errata

Platform Errata Release Date
Red Hat JBoss SOA Platform 5.3 RHSA-2012:1125 July 31, 2012

External References

Acknowledgements

Red Hat would like to thank oCERT for reporting this issue. oCERT acknowledges Julian Wälde and Alexander Klink as the original reporters.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.