Blender: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200805-12 / blender
Release Date	May 12, 2008
Latest Revision	May 12, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-gfx/blender	< 2.43-r2	>= 2.43-r2	All supported architectures

Related bugreports: #219008

Synopsis

Multiple vulnerabilities in Blender might result in the remote execution of arbitrary code.

2. Impact Information

Background

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

Description

Stefan Cornelius (Secunia Research) reported a boundary error within the imb_loadhdr() function in in the file source/blender/imbuf/intern/radiance_hdr.c when processing RGBE images (CVE-2008-1102). Multiple vulnerabilities involving insecure usage of temporary files have also been reported (CVE-2008-1103).

Impact

A remote attacker could entice a user to open a specially crafted file (.hdr or .blend), possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application.

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-r2"

4. References

Page updated May 12, 2008

Summary: This is a Gentoo Linux Security Advisory

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