CVE-2012-4883
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedMultiple untrusted search path vulnerabilities in 3DVIA Composer V6R2012 HF1 Build 6.8.1.1652 allow local users to gain privileges via a Trojan horse (1) dwmapi.dll or (2) ibfs32.dll file in the current working directory, as demonstrated by a directory that contains a .smg file. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · low confidence3DVIA Composer V6R2012 HF1 contains DLL hijacking vulnerabilities where the application loads dwmapi.dll or ibfs32.dll from the current working directory without validation. An attacker with local access can place a malicious DLL in a directory containing a .smg file; when the application opens that file, it executes the attacker-controlled DLL with the user's privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 6.8.1.1652CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- M
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:L/AC:M/Au:N/C:C/I:C/A:C
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Locate 3DVIA Composer installationSearch for the 3DVIA Composer executable (typically at C:\Program Files\3ds 3dvia Composer or C:\Program Files (x86)\3ds 3dvia Composer). Use 'where /r C:\ 3dviaComposer.exe' or check Program Files directories.Affected if The application executable is found on the system
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Check installed versionRight-click the executable, select Properties, then view the File Version field. Alternatively, run 'wmic product where "name like '%3dvia%'" get version' or check Add/Remove Programs for the installed version.Affected if The version listed is 6.8.1.1652
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Verify .smg file associationCheck if .smg files are associated with 3DVIA Composer by looking at the file association in Windows Registry under HKEY_CLASSES_ROOT\.smg or by attempting to open a .smg file with the application.Affected if The application is configured to open .smg files
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Check DLL search behaviorCreate a test directory with a test .smg file and a clean copy of dwmapi.dll or ibfs32.dll, then run Process Monitor (procmon) filtered to 3dviaComposer.exe to observe DLL load paths when opening the .smg file.Affected if The application loads DLLs from the current working directory rather than its own install directory
A user is affected if 3DVIA Composer version 6.8.1.1652 is installed and the application is used to open .smg files, as the DLL hijacking vulnerability allows arbitrary code execution via malicious DLLs placed alongside .smg files.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor patch when available. Until then, ensure the application runs from a trusted directory, restrict file system permissions to prevent unauthorized DLL placement, and avoid opening .smg files from untrusted or shared directories.
- Consultation3.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,168.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2012-4883 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2012-4883 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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