Blender: User-assisted remote execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200704-19 / Blender
Release Date	April 23, 2007
Latest Revision	April 23, 2007: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-gfx/blender	< 2.43	>= 2.43	All supported architectures

Related bugreports: #168907

Synopsis

A vulnerability has been discovered in Blender allowing for user-assisted arbitrary code execution.

2. Impact Information

Background

Blender is a 3D creation, animation and publishing program.

Description

Stefan Cornelius of Secunia Research discovered an insecure use of the "eval()" function in kmz_ImportWithMesh.py.

Impact

A remote attacker could entice a user to open a specially crafted Blender file (.kmz or .kml), resulting in the execution of arbitrary Python code with the privileges of the user running Blender.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Blender users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/blender-2.43"

4. References

CVE-2007-1253

Page updated April 23, 2007

Summary: This is a Gentoo Linux Security Advisory

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