Security readout for executives and security teams
Plain-English summary
CVE-2017-14647 is a memory corruption issue in Bento4 1.5.0-617, a media parsing toolkit. A malformed file can cause a crash and may allow code execution. Treat it as important where Bento4 processes untrusted media uploads, downloads, or third-party content.
Executive priority
Prioritize systems that ingest external media, because the business risk is service disruption and possible code execution in media processing infrastructure. If Bento4 is not used, this CVE is not directly applicable based on the supplied evidence.
Technical view
The CVE describes an out-of-bounds write in AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp. The record calls it heap-based, while the Gentoo reference title suggests stack-based; the reliable conclusion is memory corruption during visual sample entry parsing with remote DoS and possible code execution impact.
Likely exposure
Exposure is most likely in applications, services, or pipelines using Bento4 1.5.0-617 to parse untrusted MP4 or related media content. The source bundle does not identify downstream products, package names, or fixed versions.
Exploitation context
The source bundle does not show active exploitation, and KEV is false. The issue is remotely triggerable through crafted media parsing, but public evidence provided here only supports crash/possible code execution impact, not exploitation in the wild.
Researcher notes
Do not assume affected downstream products from the sparse CVE metadata. Confirm Bento4 version and code provenance. Note the heap versus stack wording inconsistency across supplied sources, and focus validation on the AP4_VisualSampleEntry::ReadFields out-of-bounds write condition.
Mitigation direction
- Check Bento4 vendor or distribution guidance for fixed versions.
- Upgrade or replace Bento4 1.5.0-617 where applicable.
- Restrict untrusted media parsing until remediation is confirmed.
- Run media processing workloads with least privilege and isolation.
- Monitor crash logs for Bento4 parsing failures.
Validation and detection
- Inventory code and packages for Bento4 1.5.0-617.
- Identify endpoints or jobs parsing user-supplied media files.
- Confirm remediation against vendor or distribution advisories.
- Review crash telemetry for AP4_VisualSampleEntry or Ap4SampleEntry.cpp.
- Verify sandboxing around media processing components.
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.
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 lookupCVE-2017-14647 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://blogs.gentoo.org/ago/2017/09/14/bento4-stack-based-buffer-overflow-in-ap4_visualsampleentryreadfields-ap4sampleentry-cpp/CVE 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.
