Security readout for executives and security teams
Plain-English summary
CVE-2017-11101 is a crash issue in SWFTools 0.9.2 when swfcombine processes a specially crafted file. The public record points to a NULL pointer dereference, which most likely affects availability of the tool or automation using it, not direct system takeover. Evidence is limited and no official fix is named in the supplied sources.
Executive priority
Treat this as a targeted availability risk for legacy media-processing workflows, not an enterprise-wide emergency. Prioritize review if SWF files are accepted from users or third parties.
Technical view
The CVE describes a NULL pointer dereference in swf_Relocate() within lib/modules/swftools.c, reachable through crafted input handled by swfcombine in SWFTools 0.9.2. The source bundle does not provide CVSS, CWE, patch status, or proof of broader affected versions.
Likely exposure
Exposure is likely limited to systems that still run SWFTools 0.9.2 and use swfcombine on untrusted or externally supplied SWF content. Internet-facing upload, conversion, or media-processing workflows would carry the most business risk.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. The known condition requires processing a crafted file with swfcombine. Expected impact is process crash or workflow interruption based on the NULL pointer dereference description.
Researcher notes
Public metadata is sparse: no CVSS vector, CWE, exploit status, or fix reference is included. Analysis should stay scoped to SWFTools 0.9.2 swfcombine and the referenced NULL pointer dereference unless additional vendor evidence is found.
Mitigation direction
- Inventory systems and pipelines that use SWFTools or swfcombine.
- Avoid processing untrusted SWF files with SWFTools 0.9.2.
- Run file-conversion jobs in isolated, low-privilege environments.
- Check project or downstream package guidance for patched or replacement versions.
- Consider replacing SWFTools if maintained fixes are unavailable.
Validation and detection
- Confirm whether SWFTools 0.9.2 is installed or bundled.
- Identify services that pass user-supplied files to swfcombine.
- Review conversion job logs for crashes involving swf_Relocate.
- Check package repositories or vendor notes for fix availability.
- Verify sandboxing and privilege limits around file-processing workers.
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-2017-11101 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/matthiaskramm/swftools/issues/26CVE 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.