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CVE Database

CVE-2013-0263

Impact: Moderate
Public: 2013-02-08
Bugzilla: 909071: CVE-2013-0263 rubygem-rack: Timing attack in cookie sessions

Details

The MITRE CVE dictionary describes this issue as:

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.

Find out more about CVE-2013-0263 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 5.0
Base Metrics: AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat OpenShift Enterprise Client Tools RHSA-2013:0638 March 12, 2013
Red Hat Subscription Asset Manager for RHEL 6 Server RHSA-2013:0686 March 26, 2013

External References

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.