Security readout for executives and security teams
Plain-English summary
SWFTools 0.9.2 can crash when its swfextract utility processes a specially crafted file. The public data describes a NULL pointer dereference, which most likely means denial of service for systems that automatically inspect or extract SWF files. The sources do not provide a CVSS score, patch status, or evidence of active exploitation.
Executive priority
Treat this as a legacy tooling risk, not a confirmed emergency. Prioritize if SWFTools handles external files in production or security automation. If usage is limited to trusted, manual workflows, urgency is lower but replacement or isolation is still prudent.
Technical view
CVE-2017-11100 is a NULL pointer dereference in swf_FoldSprite() in lib/rxfswf.c, reached while swfextract processes a crafted file. The CVE bundle identifies SWFTools 0.9.2 in the description, but the structured affected-product fields are incomplete. No CWE, CVSS vector, or vendor fix is provided in the supplied sources.
Likely exposure
Exposure is most plausible where SWFTools 0.9.2, especially swfextract, processes untrusted SWF or related files in batch workflows, upload pipelines, malware triage, archives, or legacy media tooling. Internet exposure is not established by the sources.
Exploitation context
The sources describe a crafted-file crash condition but do not show active exploitation. The CVE is not listed as KEV in the supplied bundle. Public evidence is limited to the CVE records and a GitHub issue reference.
Researcher notes
The supplied data is thin: no CVSS, CWE, CPE, fixed version, or exploit confirmation. The main technical anchor is the named function, swf_FoldSprite(), and swfextract processing crafted files. Validate against the referenced GitHub issue before assigning a precise severity.
Mitigation direction
- Inventory any SWFTools or swfextract use, especially version 0.9.2.
- Avoid processing untrusted files with affected tooling until risk is resolved.
- Run legacy file parsing in isolated, least-privileged environments.
- Check upstream project guidance or issue history for fixes or replacements.
- Consider removing SWFTools from automated production workflows if unsupported.
Validation and detection
- Confirm whether SWFTools 0.9.2 is installed or bundled anywhere.
- Identify workflows that invoke swfextract on user-supplied or external files.
- Review crash logs for swfextract failures during SWF processing.
- Verify file-processing jobs run with sandboxing and limited privileges.
- Document compensating controls where replacement is not immediately possible.
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.
CVE-2017-11100 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/27CVE 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.