GLSA 201001-07: Blender: Untrusted search path

Severity:normal
Title:Blender: Untrusted search path
Date:01/13/2010
Bugs: #245310
ID:201001-07

Synopsis

An untrusted search path vulnerability in Blender might result in the execution of arbitrary code.

Background

Blender is a 3D Creation/Animation/Publishing System.

Affected packages

Package Vulnerable Unaffected Architecture(s)
media-gfx/blender < 2.48a-r3 >= 2.48a-r3 All supported architectures

Description

Steffen Joeris reported that Blender's BPY_interface calls PySys_SetArgv() in such a way that Python prepends sys.path with an empty string.

Impact

A local attacker could entice a user to run "blender" from a directory containing a specially crafted Python module, resulting in the execution of arbitrary code with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

Resolution

All Blender users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/blender-2.48a-r3"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201001-07.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!