[ GLSA 201001-07 ] Blender: Untrusted search path

[GLSA]

Gentoo Linux Security Advisory

Title: Blender: Untrusted search path (GLSA 201001-07)
Severity: normal
Exploitable: local
Date: January 13, 2010
Bug(s): #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: media-gfx/blender
Vulnerable: < 2.48a-r3
Unaffected: >= 2.48a-r3
Architectures: 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: