Security readout for executives and security teams
Plain-English summary
CVE-2017-11110 is a catdoc 0.95 file-parsing flaw. A specially crafted document can crash the application, creating denial-of-service risk where catdoc processes untrusted files. The sources also mention possible unspecified other impact, but do not provide enough detail to assess that further.
Executive priority
Prioritize investigation if catdoc handles external documents in business workflows. Otherwise, treat as a targeted hygiene item because severity, exploitation, and fix details are incomplete in the supplied sources.
Technical view
The issue is in ole_init in ole.c in catdoc 0.95. Crafted input can trigger a heap-based buffer underflow where data is written before tmpBuf, causing an application crash and possibly other unspecified effects. No CVSS score, CWE, or detailed affected package list is provided.
Likely exposure
Exposure is most likely where catdoc 0.95 parses files from external or semi-trusted sources, such as document upload, conversion, indexing, or email-processing workflows. The source bundle does not identify broader affected products or packaged versions.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. Exploitation requires a crafted file to be processed by a vulnerable catdoc instance. Public evidence here supports denial of service; other impact remains unspecified.
Researcher notes
The strongest evidence is the CVE description: heap-based buffer underflow before tmpBuf in ole_init. The affected metadata is sparse and lists n/a, so confirm exposure through local package inventories and vendor advisories before scoping remediation.
Mitigation direction
- Inventory systems and containers for catdoc 0.95 usage.
- Check vendor or distribution guidance for fixed catdoc packages.
- Avoid processing untrusted documents with vulnerable catdoc versions.
- Run document parsing in a sandbox with resource limits.
- Monitor file-processing services for repeated catdoc crashes.
Validation and detection
- Confirm whether catdoc 0.95 is installed or bundled.
- Map workflows where catdoc processes user-supplied files.
- Review crash logs for catdoc or document conversion failures.
- Verify package status against vendor or distribution advisories.
- Confirm parser isolation and resource limits are enforced.
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
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ATT&CK lookup starting points
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CVE-2017-11110 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://bugzilla.redhat.com/show_bug.cgi?id=1468471CVE 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.