CVE-2007-4992
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 · uneditedStack-based buffer overflow in the process_packet function in fbserver.exe in Firebird SQL 2.0.2 allows remote attackers to execute arbitrary code via a long request to TCP port 3050.
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 · high confidenceA stack-based buffer overflow in the process_packet function of fbserver.exe in Firebird SQL 2.0.2 allows remote attackers to execute arbitrary code by sending a specially crafted packet with excessive length to TCP port 3050.
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= 2.0.2CVSS 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
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:L/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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Identify Firebird SQL versionCheck the installed version of Firebird SQL by querying the service, checking the fbserver.exe file properties, or running 'gfix -version' if the command-line tools are availableAffected if The version is exactly 2.0.2
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Verify fbserver.exe is runningCheck if the Firebird server process (fbserver.exe or fb_guard.exe) is running on the system using Task Manager or the 'tasklist' commandAffected if fbserver.exe is running and exposed to network traffic
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Confirm TCP port 3050 is listeningRun 'netstat -an | findstr 3050' or use a port scanner to check if TCP port 3050 is in a LISTENING stateAffected if Port 3050 is open and listening for remote connections
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Check remote connection configurationExamine the firebird.conf or ibconfig file for the RemoteBindAddress setting or check if the service is bound to non-loopback interfacesAffected if The server is configured to accept remote TCP connections (bound to 0.0.0.0 or a non-localhost address)
A system is affected if Firebird SQL version 2.0.2 is installed and the fbserver.exe service is running with TCP port 3050 exposed to network traffic.
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 dataUpgrade Firebird SQL to a patched version. If immediate upgrading is not feasible, restrict network access to port 3050 using firewall rules or disable remote connections until the upgrade can be performed.
- Consultation3.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2007-4992 — 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-2007-4992 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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