Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

BID:50464

Info

Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

Bugtraq ID: 50464
Class: Design Error
CVE: CVE-2011-4211
Remote: No
Local: Yes
Published: Nov 01 2011 12:00AM
Updated: Nov 01 2011 12:00AM
Credit: Adi Sharabani of IBM
Vulnerable: Google Google App Engine 1.5.3
Google Google App Engine 1.5
Google Google App Engine 1.0
Not Vulnerable: Google Google App Engine 1.5.4

Discussion

Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

Google App Engine is prone to a local security-bypass vulnerability.

Attackers can exploit this issue to bypass security restrictions and create or overwrite arbitrary files on the affected system.

Google App Engine versions prior to 1.5 are vulnerable.

Exploit / POC

Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

An exploit is available. Please see the references for more information.

Solution / Fix

Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

Solution:
Updates are available. Please see the references for more information.

References

Google App Engine Python SDK 'FakeFile' Object Local Security Bypass Vulnerability

References:

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