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CVE-2005-4470

Status Candidate

Overview

Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.

Related Files

Ubuntu Security Notice 238-2
Posted Jan 8, 2006
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice USN-238-2 - Damian Put discovered that Blender did not properly validate a length value in .blend files. Negative values led to an insufficiently sized memory allocation. By tricking a user into opening a specially crafted .blend file, this could be exploited to execute arbitrary code with the privileges of the Blender user.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2005-4470
SHA-256 | 9b6d729812fe1eb2cd6344a06b009db2d4fbac00a60a394271a77bfb7f8d2dc2
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