Security readout for executives and security teams
Plain-English summary
CVE-2017-14640 is a crash bug in Bento4 1.5.0-617. A malformed media file can trigger a null pointer dereference, causing the application using Bento4 to stop. The documented impact is remote denial of service, not data theft or code execution.
Executive priority
Prioritize remediation for internet-facing or customer-upload media workflows. Business impact is service disruption rather than confirmed compromise, but automated file processing can make denial of service practical.
Technical view
The reported flaw is in AP4_AtomSampleTable::GetSample in Core/Ap4AtomSampleTable.cpp. The CVE description identifies Bento4 version 1.5.0-617 and states the failure causes a segmentation fault and application crash. The source bundle includes an upstream issue, a Gentoo report, and an upstream commit reference.
Likely exposure
Exposure is most likely where Bento4 1.5.0-617 processes untrusted media content. The source bundle does not identify downstream products, packages, CPEs, or broader affected version ranges.
Exploitation context
The supplied sources support crafted-input denial of service. KEV is false, and no supplied source states active exploitation in the wild. Treat exploitation evidence as limited to public vulnerability reporting and the referenced upstream issue.
Researcher notes
Evidence is narrow: a null pointer dereference in Bento4 1.5.0-617 with a referenced upstream issue, Gentoo write-up, and commit. No CVSS, CWE, CPE, exploit-in-the-wild, or fixed release metadata is provided in the bundle.
Mitigation direction
- Identify Bento4 use in media parsing, transcoding, inspection, or upload pipelines.
- Check Bento4 upstream for a release containing commit 2f267f89f957088197f4b1fc254632d1645b415d.
- Update vulnerable Bento4 builds according to upstream or distributor guidance.
- Avoid routing untrusted media to vulnerable builds until remediation is confirmed.
- Run media processing with service isolation and automatic restart where operationally feasible.
Validation and detection
- Inventory deployed Bento4 versions and derived static builds.
- Confirm whether version 1.5.0-617 is present in production or build dependencies.
- Review dependency provenance for embedded Bento4 copies in media services.
- Verify remediation by matching vendor guidance or the referenced upstream commit.
- Confirm crash handling prevents one malformed file from disabling shared services.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CVE-2017-14640 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/axiomatic-systems/Bento4/issues/183CVE reference · x_refsource_MISC
- https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_atomsampletablegetsample-ap4atomsampletable-cpp/CVE reference · x_refsource_MISC
- https://github.com/axiomatic-systems/Bento4/commit/2f267f89f957088197f4b1fc254632d1645b415dCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
