Security readout for executives and security teams
Plain-English summary
Bento4 1.5.0-617 can crash when it processes a malformed media file. The reported impact is denial of service, not data theft or code execution. Business urgency depends on whether Bento4 handles files supplied by users, partners, or automated feeds.
Executive priority
Treat this as a service availability risk for media-processing systems. It is most urgent for internet-facing or partner-facing upload pipelines using affected Bento4 code. If Bento4 is not present or only handles trusted files, priority is lower.
Technical view
The flaw is a NULL pointer dereference in AP4_HdlrAtom. The crash path reaches AP4_StdcFileByteStream::ReadPartial in System/StdC/Ap4StdCFileByteStream.cpp, causing a segmentation fault during parsing and resulting in remote denial of service.
Likely exposure
Exposure is most likely where Bento4 version 1.5.0-617, or code derived from it, processes untrusted MP4/media inputs in upload, transcoding, inspection, or packaging workflows.
Exploitation context
The source bundle reports remote denial of service via application crash. It does not show CISA KEV listing or other evidence of active exploitation. Public issue and blog references indicate a proof-of-crash style report existed in 2017.
Researcher notes
Evidence supports a NULL pointer dereference crash in Bento4 1.5.0-617 and an upstream commit reference. The bundle lacks CVSS, CWE, complete affected-version ranges, and confirmed fixed release names, so remediation should be tied to vendor guidance or commit verification.
Mitigation direction
- Identify Bento4 deployments and embedded Bento4 library copies.
- Prioritize systems that process externally supplied media files.
- Apply the upstream fix commit or a vendor release containing it.
- If patching is delayed, restrict untrusted media processing paths.
- Monitor vendor or distribution advisories for backported fixes.
Validation and detection
- Confirm the deployed Bento4 version and commit lineage.
- Check whether commit 22192de5367fa0cee985917f092be4060b7c00b0 is present.
- Review crash telemetry for Bento4 segmentation faults during media parsing.
- Verify externally supplied media is sandboxed or isolated.
- Confirm remediation through package inventory or source review.
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-2017-14642 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/185CVE reference · x_refsource_MISC
- https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_stdcfilebytestreamreadpartial-ap4stdcfilebytestream-cpp/CVE reference · x_refsource_MISC
- https://github.com/axiomatic-systems/Bento4/commit/22192de5367fa0cee985917f092be4060b7c00b0CVE 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.