Integer overflow in Blender
CVE-2017-12086
An exploitable integer overflow exists in the 'BKE_mesh_calc_normals_tessface' functionality of the Blender open-source 3d creation suite. 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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: -0.000
Affected products
- Blender — versions v2.78c, 2.78c
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/08/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4248 (vendor-advisory, Mailing List, Third Party Advisory)
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0438 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12086?
- CVE-2017-12086 is a high-severity vulnerability in Blender, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-04-24.
- How severe is CVE-2017-12086?
- High severity. CVSS v3 base score is 7.8 out of 10.