VDB-44794 · CVE-2008-4863 · BID 31931

Blender 2.46 PySys_SetArgv memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical was found in Blender 2.46. This vulnerability affects the function PySys_SetArgv. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in BPY_interface in Blender 2.46 allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to an erroneous setting of sys.path by the PySys_SetArgv function.

The bug was discovered 10/27/2008. The weakness was shared 10/31/2008 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2008-4863 since 10/31/2008. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 34746 (Fedora 8 : blender-2.48a-4.fc8 (2008-9411)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (34746). The entries VDB-46123, VDB-46124, VDB-46125 and VDB-46126 are related to this item.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
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Class: Memory corruption
CWE: CWE-119

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 34746
Nessus Name: Fedora 8 : blender-2.48a-4.fc8 (2008-9411)
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Nessus Risk: 🔍
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OpenVAS ID: 860103
OpenVAS Name: Family Connections argv[1] Parameter Remote Arbitrary Command Execution Vulnerability
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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10/27/2008 🔍
10/27/2008 +0 days 🔍
10/31/2008 +4 days 🔍
10/31/2008 +0 days 🔍
10/31/2008 +0 days 🔍
10/31/2008 +0 days 🔍
11/12/2008 +12 days 🔍
11/12/2008 +0 days 🔍
11/17/2008 +5 days 🔍
03/17/2015 +2311 days 🔍
08/02/2021 +2330 days 🔍


Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4863 (🔍)

Vulnerability Center: 20015 - Blender 2.46 BPY_Interface Vulnerability Allows Local Code Execution via a Trojan Horse Python File, Medium
SecurityFocus: 31931
OSVDB: 50296 - Blender - 'BPY_interface.c' Remote Command Execution Issue

See also: 🔍


Created: 03/17/2015 04:11 PM
Updated: 08/02/2021 05:38 PM
Changes: 03/17/2015 04:11 PM (68), 08/20/2019 06:22 PM (6), 08/02/2021 05:38 PM (4)
Complete: 🔍
Cache ID: 100:0DD:40


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