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CVE Record

CVE-2017-12101: An exploitable integer overflow exists in the 'modifier_mdef_compact_influences' functionality of the Blend...

An exploitable integer overflow exists in the 'modifier_mdef_compact_influences' 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.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A malicious Blender project file could compromise a workstation if opened in vulnerable Blender 2.78c 32-bit. The bug can lead to code execution with the user's application privileges, so the main business risk is compromise of creative or engineering systems handling external .blend files.

Executive priority

Treat as a high-priority legacy software cleanup issue, especially for teams exchanging Blender files externally. It is not confirmed actively exploited in the provided evidence, but the impact can be full user-context compromise after file opening.

Technical view

CVE-2017-12101 is an integer overflow in Blender's modifier_mdef_compact_influences functionality. A crafted .blend file can trigger a resulting buffer overflow and possible code execution in the Blender process context. The published CVSS v3.0 score is 8.8, with user interaction required.

Likely exposure

Exposure is most likely in legacy systems still running Blender v2.78c 32-bit or unpatched Debian Blender packages covered by the 2018 Debian advisories. Risk is higher where users import .blend files from customers, contractors, public repositories, or email attachments.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. The attack requires convincing a user to open a specially crafted .blend file. Successful exploitation could affect confidentiality, integrity, and availability under the user's privileges.

Researcher notes

Talos attributes the flaw to Blender 2.78c 32-bit and the modifier_mdef_compact_influences path. The CVE record provides no CWE mapping in the bundle. Do not broaden affected versions beyond the cited evidence without vendor confirmation.

Mitigation direction

  • Apply Debian security updates referenced in DSA-4248 or DLA-1465 where applicable.
  • Replace or update legacy Blender 2.78c 32-bit installations.
  • Block or quarantine untrusted .blend files until reviewed.
  • Use vendor guidance for non-Debian Blender deployments.
  • Run Blender with least privilege on systems handling external files.

Validation and detection

  • Inventory Blender installations and identify version, architecture, and package source.
  • Confirm Debian systems include the DSA-4248 or DLA-1465 Blender security update.
  • Review workflows that accept .blend files from external or untrusted parties.
  • Check endpoint controls for quarantine or scanning of unsolicited .blend files.
  • Validate Blender does not run with elevated privileges.
Prepared
Confidence
high
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-12101 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2017-12101Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
BlenderBlenderv2.78c (32-bit)Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.