CVE-2008-1818
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 · uneditedUnspecified vulnerability in the Authentication component in Oracle Database 11.1.0.6 has unknown impact and remote attack vectors, aka DB08.
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 confidenceUnspecified vulnerability in the Oracle Database 11.1.0.6 Authentication component with remote attack vectors and critical (CVSS 10) severity. The exact nature of the authentication flaw is not disclosed in available records.
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= 11.1.0.6CVSS 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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Check Oracle Database version via SQLConnect to the database as a privileged user and execute: SELECT * FROM v$version; Look for the version number in the banner output.Affected if The version displayed shows exactly 11.1.0.6 as the database server version
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Check Oracle Inventory for installed versionLocate the Oracle inventory file (oraInst.loc on Unix/Linux or registry on Windows) and read the installed Oracle Database version from the inventory.Affected if The inventory lists Oracle Database Server version 11.1.0.6 as installed
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Verify the Authentication component is presentQuery the database component version using: SELECT comp_name, version, status FROM dba_registry WHERE comp_name LIKE '%Authentication%';Affected if The Authentication component is listed at version 11.1.0.6 and shows as VALID or LOADED status
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Check database listener configurationReview the Oracle Listener control (lsnrctl) configuration and status using: lsnrctl status. Confirm the database service is registered and accepting connections.Affected if The listener is active and the database service (typically with SID or SERVICE_NAME) is available for remote connections while running version 11.1.0.6
If the installed Oracle Database Server version is exactly 11.1.0.6 and the Authentication component is present and accessible, the environment is affected by CVE-2008-1818.
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 Oracle Critical Patch Update (CPU) for April 2008 or later that addresses DB08; if unable to patch, implement network segmentation and restrict database access to trusted networks only.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 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 $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2008-1818 — 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-2008-1818 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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