REDHAT-BUG-481570
First published: Mon Jan 26 2009(Updated: )
Untrusted search path vulnerability in the Python language bindings for Nautilus allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to an erroneous setting of sys.path by the PySys_SetArgv function. References (more details, PoC): <a href="http://www.nabble.com/Bug-484305%3A-bicyclerepair%3A-bike.vim-imports-untrusted-python-files-from-cwd-td18848099.html">http://www.nabble.com/Bug-484305%3A-bicyclerepair%3A-bike.vim-imports-untrusted-python-files-from-cwd-td18848099.html</a> Proposed patch: The Debian patch for similar dia's Python related issue, available at: <a href="http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=pythonpath.diff;att=1;bug=504251">http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=pythonpath.diff;att=1;bug=504251</a> should be sufficient to resolve this issue.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python 2.7 |
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Reference Links
- http://www.nabble.com/Bug-484305%3A-bicyclerepair%3A-bike.vim-imports-untrusted-python-files-from-cwd-td18848099.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=pythonpath.diff;att=1;bug=504251
- https://access.redhat.com/security/cve/CVE-2009-0317
- https://access.redhat.com/security/cve/CVE-2008-5983
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0317
- http://www.openwall.com/lists/oss-security/2009/01/26/2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=481570
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=482814#c1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=482814#c4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=482814#c5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=481556#c8
- https://bugzilla.redhat.com/show_bug.cgi?id=481570
Frequently Asked Questions
What is the severity of REDHAT-BUG-481570?
The severity of REDHAT-BUG-481570 is categorized as medium due to the potential for arbitrary code execution.
How do I fix REDHAT-BUG-481570?
To fix REDHAT-BUG-481570, you should ensure that Python's sys.path does not include the current working directory when executing scripts.
Who is affected by REDHAT-BUG-481570?
Local users who have access to Python scripts in the Nautilus environment are affected by REDHAT-BUG-481570.
What causes the vulnerability in REDHAT-BUG-481570?
REDHAT-BUG-481570 is caused by an erroneous setting of sys.path by the PySys_SetArgv function in Python.
Is there a workaround for REDHAT-BUG-481570?
A possible workaround for REDHAT-BUG-481570 is to run Python scripts in a controlled environment where the current working directory does not contain untrusted files.
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