CVE-2017-12100: Buffer Overflow
First published: Tue Apr 24 2018(Updated: )
An exploitable integer overflow exists in the 'multires_load_old_dm' functionality of the Blender open-source 3d creation suite v2.78c. A specially crafted .blend file can cause an integer overflow resulting in a buffer overflow which can allow for code execution under the context of the application. An attacker can convince a user to open a .blend file in order to trigger this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/blender | 2.79.b+dfsg0-7+deb10u1 2.83.5+dfsg-5+deb11u1 3.4.1+dfsg-2 3.6.2+dfsg-2 | |
| Blender Blender | =2.78c | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 |
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Reference Links
- https://git.blender.org/gitweb/gitweb.cgi/blender.git/commit/e04d7c49dca9dc7bbf1cbe446b612aaa5ba12581
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0452
- https://security-tracker.debian.org/tracker/CVE-2017-12100
- https://lists.debian.org/debian-lts-announce/2018/08/msg00011.html
- https://www.debian.org/security/2018/dsa-4248
Frequently Asked Questions
What is CVE-2017-12100?
CVE-2017-12100 is an integer overflow vulnerability in the 'multires_load_old_dm' functionality of Blender.
How does CVE-2017-12100 occur?
CVE-2017-12100 occurs when a specially crafted .blend file triggers an integer overflow, resulting in a buffer overflow.
What is the severity of CVE-2017-12100?
The severity of CVE-2017-12100 is high, with a CVSS score of 7.8.
Which software versions are affected by CVE-2017-12100?
Blender versions 2.78c, 2.79.b+dfsg0-7+deb10u1, 2.83.5+dfsg-5+deb11u1, 3.4.1+dfsg-2, and 3.6.2+dfsg-2 are affected by CVE-2017-12100.
How can I fix CVE-2017-12100?
To fix CVE-2017-12100, you should update your Blender software to a patched version.
- collector/security-tracker-debian
- collector/nvd-index
- agent/author
- agent/severity
- agent/weakness
- agent/references
- agent/tags
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- package-manager/debian
- vendor/blender
- canonical/blender blender
- version/blender blender/2.78c
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0