National Cyber Awareness System
Vulnerability Summary for CVE-2011-4213
Original release date:10/30/2011
Last revised:04/19/2012
Source:
US-CERT/NIST
Overview
The sandbox environment in the Google App Engine Python SDK before 1.5.4 does not properly prevent use of the os module, which allows local users to bypass intended access restrictions and execute arbitrary commands via a file_blob_storage.os reference within the code parameter to _ah/admin/interactive/execute, a different vulnerability than CVE-2011-1364.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes
Type: Patch Information
External Source: XF
Name: google-apps-osmodule-priv-esc(71062)
External Source: MISC
Name: http://blog.watchfire.com/files/googleappenginesdk.pdf
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)
