National Cyber Awareness System
Vulnerability Summary for CVE-2009-4527
Original release date:12/31/2009
Last revised:01/06/2010
Source:
US-CERT/NIST
Overview
The Shibboleth authentication module 5.x before 5.x-3.4 and 6.x before 6.x-3.2, a module for Drupal, does not properly remove statically granted privileges after a logout or other session change, which allows physically proximate attackers to gain privileges by using an unattended web browser.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://drupal.org/node/604488
Type: Advisory; Patch Information
External Source: XF
Name: shibboleth-saml2-priv-escalation(53779)
External Source: VUPEN
Name: ADV-2009-2919
Type: Advisory
External Source: BID
Name: 36684
External Source: SECUNIA
Name: 37057
Type: Advisory
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)