Security readout for executives and security teams
Plain-English summary
CVE-2017-12476 is a crash bug in Bento4 mp4dump. If the tool processes a specially crafted MP4 file, it can dereference a NULL pointer and terminate. Business impact is mainly interruption of media-inspection workflows, not data theft based on the provided sources.
Executive priority
Treat as a targeted availability risk for media-processing environments. Prioritize remediation where mp4dump handles customer, partner, or internet-supplied MP4 files. Lower urgency if Bento4 is absent or only used on trusted internal media.
Technical view
The flaw is in AP4_AvccAtom::InspectFields in Core/Ap4AvccAtom.cpp in Bento4 mp4dump before 1.5.0-616. A crafted MP4 can trigger a NULL pointer dereference, causing denial of service through application crash. The sources do not provide CVSS, CWE, or broader product impact details.
Likely exposure
Exposure is likely limited to systems that run Bento4 mp4dump on untrusted or externally supplied MP4 files, such as media processing, upload inspection, QA, or forensic workflows.
Exploitation context
The CVE describes remote attackers causing a crash via a crafted MP4 file. The provided bundle does not show active exploitation, and KEV is false. No source supports code execution, privilege escalation, or persistence.
Researcher notes
Evidence is sparse: the CVE record names the vulnerable function, crash condition, affected version boundary, and references a fix commit plus proof-of-concept artifacts. It does not provide CVSS, CWE, detailed affected package metadata, or active exploitation evidence.
Mitigation direction
- Upgrade Bento4 mp4dump to 1.5.0-616 or later where applicable.
- Verify deployed builds include the upstream fix commit referenced in the CVE.
- Avoid processing untrusted MP4 files with vulnerable mp4dump builds.
- Run media-inspection tooling in isolated, least-privilege environments.
- Check vendor or project guidance if package version mapping is unclear.
Validation and detection
- Inventory systems and pipelines that invoke Bento4 mp4dump.
- Confirm mp4dump versions are not earlier than 1.5.0-616.
- Review upload, media, CI, and forensic workflows for untrusted MP4 processing.
- Validate package source or changelog against the referenced upstream commit.
- Check logs for unexplained mp4dump crashes during MP4 inspection.
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
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CVE-2017-12476 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://drive.google.com/open?id=0B6wBkDmxMGMKUjNscThnbTlSZ2sCVE reference · x_refsource_MISC
- https://github.com/axiomatic-systems/Bento4/commit/4d3f0bebd5f8518fd775f671c12bea58c68e814eCVE reference · x_refsource_MISC
- https://drive.google.com/open?id=0B9DojFnTUSNGZ1JfNUc1am9pcncCVE 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.