Security readout for executives and security teams
Plain-English summary
This CVE concerns STDU Viewer 1.6.375 crashing, and possibly having other unspecified impact, when processing a maliciously crafted MOBI ebook file. Business risk is mainly tied to users opening untrusted MOBI files with this legacy viewer. The public record does not provide a CVSS score, confirmed patch, or evidence of active exploitation.
Executive priority
Treat this as a targeted legacy-software hygiene issue, not an enterprise-wide emergency from the provided evidence. Prioritize removal or containment where STDU Viewer is present on user workstations that receive external files. Escalate if internal inventory shows broad deployment or if new vendor or exploitation evidence appears.
Technical view
CVE-2017-14547 is described as a read access violation in STDU Viewer 1.6.375 related to STDUMOBIFile handling of a crafted .mobi file. The documented impact is denial of service, with “possibly unspecified other impact” left unqualified. Affected-product metadata in the supplied record is incomplete, but the description names STDU Viewer 1.6.375.
Likely exposure
Exposure is most likely on endpoints that still have STDU Viewer 1.6.375 installed and allow users to open MOBI files from email, web downloads, or shared folders. Environments without this viewer, or without MOBI file handling through it, are unlikely to be exposed based on the supplied sources.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, or weaponized exploitation. The attack condition described is user or workflow processing of a crafted .mobi file. Public evidence supports crash or denial of service; any impact beyond that is not specified in the cited record.
Researcher notes
The public CVE text is sparse: no CVSS, CWE, patch statement, or precise root-cause detail is included. The key technical artifact is a read access violation starting at STDUMOBIFile!DllUnregisterServer+0x000000000002efc0 after opening a crafted MOBI file. Further analysis should avoid assuming code execution without stronger evidence.
Mitigation direction
- Inventory endpoints for STDU Viewer 1.6.375 or related legacy STDU installations.
- Remove the viewer where it is no longer business-required.
- Restrict untrusted MOBI attachments and downloads at email and web controls.
- Check vendor or advisory guidance before assuming a fixed version exists.
- Use a maintained document or ebook viewer for MOBI handling.
Validation and detection
- Confirm whether STDU Viewer 1.6.375 exists in software inventory.
- Review file associations for .mobi on managed endpoints.
- Check email and web controls for MOBI attachment handling.
- Look for crash reports referencing STDU Viewer or STDUMOBIFile.
- Confirm CISA KEV status remains not listed before claiming exploitation.
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-2017-14547 mapping review
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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/wlinzi/security_advisories/tree/master/CVE-2017-14547CVE 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.