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CVE Record

CVE-2017-9923: IrfanView version 4.44 (32bit) with TOOLS Plugin 4.50 might allow attackers to cause a denial of service or...

IrfanView version 4.44 (32bit) with TOOLS Plugin 4.50 might allow attackers to cause a denial of service or execute arbitrary code via a crafted file, related to "Data from Faulting Address controls Branch Selection starting at KERNELBASE!EnumResourceTypesInternal+0x0000000000000589."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns legacy IrfanView 4.44 32-bit with TOOLS Plugin 4.50. A maliciously crafted file may crash the application or potentially cause arbitrary code execution. The source bundle does not include a CVSS score, confirmed patch, or evidence of active exploitation.

Executive priority

Do not treat this as a broad emergency based on the supplied evidence. If legacy IrfanView with the named plugin is still deployed, prioritize removal or upgrade because the potential impact includes code execution from crafted files.

Technical view

The issue is described as crafted-file handling leading to denial of service or possible arbitrary code execution, related to attacker-controlled faulting-address data influencing branch selection in KERNELBASE EnumResourceTypesInternal. The available record is sparse and does not provide CWE, CVSS, confirmed affected CPEs, or remediation details.

Likely exposure

Exposure is likely limited to systems running IrfanView 4.44 32-bit with TOOLS Plugin 4.50 and opening untrusted files. General IrfanView installations or other plugin versions are not confirmed by the provided sources.

Exploitation context

The bundle cites a public security advisory and the CVE record, but KEV is false and no cited source confirms active exploitation. Treat exploitability details as incomplete; do not assume weaponized exploitation from the available evidence.

Researcher notes

The record lacks CVSS, CWE, CPE, patch, and exploit-status details. The most defensible validation path is product and plugin inventory, followed by vendor-guidance review. Avoid expanding scope beyond IrfanView 4.44 32-bit with TOOLS Plugin 4.50 without additional evidence.

Mitigation direction

  • Inventory IrfanView and TOOLS Plugin versions across managed endpoints.
  • Check IrfanView and plugin vendor guidance for fixed or supported versions.
  • Remove or disable the TOOLS Plugin where business use is not required.
  • Restrict opening untrusted files in affected legacy IrfanView installations.
  • Prioritize replacement of unsupported legacy image viewers.

Validation and detection

  • Confirm whether IrfanView 4.44 32-bit is installed on endpoints.
  • Confirm whether TOOLS Plugin 4.50 is present with IrfanView.
  • Review file association and email attachment workflows using IrfanView.
  • Check endpoint telemetry for repeated IrfanView crashes on suspicious files.
  • Document any compensating controls for systems that cannot be updated.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-9923 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.