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
EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Blender — versions v2.78c, 2.78c
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- talos-cna@cisco.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- talos-cna@cisco.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_DEBIAN)
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
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.