Vulnerability CVE-2005-4470
Published: 2005-12-21   Modified: 2012-02-12

Description:
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.

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Blender -> Blenloader 

 References:
http://www.debian.org/security/2006/dsa-1039
http://www.gentoo.org/security/en/glsa/glsa-200601-08.xml
http://www.overflow.pl/adv/blenderinteger.txt
http://www.securityfocus.com/archive/1/419907/100/0/threaded
http://www.securityfocus.com/bid/15981
http://www.vupen.com/english/advisories/2005/3032
https://usn.ubuntu.com/238-2/
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