CVE-2008-4403
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 · uneditedThe CGI modules in the server in Trend Micro OfficeScan 8.0 SP1 before build 2439 and 8.0 SP1 Patch 1 before build 3087 allow remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via crafted HTTP headers, related to the "error handling mechanism."
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 · moderate confidenceThe CGI modules in Trend Micro OfficeScan 8.0 SP1 contain a flaw in their error handling mechanism. Remote attackers can send specially crafted HTTP headers that trigger a NULL pointer dereference, causing the child process to crash and resulting in denial of service.
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= 8.0CVSS 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
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
AV:N/AC:L/Au:N/C:N/I:N/A:P
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.
-
Confirm OfficeScan installation and versionCheck the installed Trend Micro OfficeScan version. On Windows, this is typically visible in Add/Remove Programs, or you can check the product GUI About section. Look for version 8.0 specifically.Affected if The installed version is exactly 8.0 without any service pack or patch applied.
-
Check build number to confirm pre-patch statusIdentify the exact build number of the OfficeScan installation. This is usually visible in the product interface under About or in the server's version information.Affected if The build number is below 2439 for SP1, or below 3087 for Patch 1, indicating an unpatched version.
-
Verify CGI web interface is accessibleConfirm that the OfficeScan web console CGI module interface is accessible. This is typically accessible on port 4343 or 443 by default. Check if the web service is running.Affected if The CGI web interface is enabled and accessible, as this is the attack surface for the NULL pointer dereference vulnerability.
-
Identify CGI module presenceLocate the CGI module files in the OfficeScan installation directory. These are typically found in the CGI directory under the OfficeScan server installation path.Affected if The CGI modules exist in the default or configured location and the web service is active.
A user is affected if they have OfficeScan version 8.0 with build numbers below 2439 (SP1) or 3087 (Patch 1) and the CGI web interface is enabled and accessible.
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 the vendor-supplied patches: update to OfficeScan 8.0 SP1 build 2439 or later, or Patch 1 build 3087 or later, to remediate the faulty error handling in the CGI modules.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2008-4403 — 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-2008-4403 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data