CVE-2011-3989
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 · uneditedSQL injection vulnerability in DBD::mysqlPP 0.04 and earlier allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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 confidenceSQL injection vulnerability in DBD::mysqlPP versions 0.04 and earlier allows remote attackers to execute arbitrary SQL commands via unspecified vectors. DBD::mysqlPP is a Perl database driver for MySQL using pure Perl connections, and the injection likely occurs through improper sanitization of user-supplied input being passed to SQL queries.
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<= 0.04= \CVSS 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
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:L/Au:N/C:P/I:P/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.
-
Check if DBD::mysqlPP is installedRun 'perldoc DBD::mysqlPP' or use 'perl -MDBD::mysqlPP -e 'print $DBD::mysqlPP::VERSION'"Affected if The module loads successfully, indicating DBD::mysqlPP is present in the Perl environment
-
Determine the installed version of DBD::mysqlPPRun 'perl -MDBD::mysqlPP -e 'print $DBD::mysqlPP::VERSION'' or check the version field in perldoc DBD::mysqlPPAffected if The version number returned is 0.04 or lower
-
Identify Perl scripts using DBD::mysqlPPSearch codebase for lines containing 'use DBD::mysqlPP' or 'driver("mysqlPP")' to find all scripts that load this driverAffected if Any Perl scripts in your environment import or use DBD::mysqlPP as the database driver
-
Inspect how SQL queries are constructed in affected scriptsReview the identified scripts for direct string concatenation of user input into SQL queries, look for patterns like "SELECT ... $user_input" without placeholdersAffected if User-supplied parameters are concatenated directly into SQL strings without using parameterized queries or proper escaping
-
Check if application accepts user input that flows to database queriesExamine the identified scripts to trace HTTP parameters, CGI arguments, or other user-provided data that reach the SQL execution paths using DBD::mysqlPPAffected if User-controllable data can reach the SQL query layer through this driver
You are affected if DBD::mysqlPP version 0.04 or earlier is installed and your application passes unsanitized user input directly into SQL queries using this driver.
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 to a newer version of DBD::mysqlPP if available, or migrate to DBD::mysql (the more widely-used MySQL driver). If neither is feasible, implement robust input validation and parameterized queries throughout the codebase.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2011-3989 — 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-2011-3989 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