LinkisApplication · Apache

CVE-2023-29215

CRITICAL · 9.8 CVSS v3.1 Published 2023-04-10
Fix available
A fix is available. Upgrade to after 1.3.1 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
In Apache Linkis <=1.3.1, due to the lack of effective filtering of parameters, an attacker configuring malicious Mysql JDBC parameters in JDBC EengineConn Module will trigger a deserialization vulnerability and eventually lead to remote code execution. Therefore, the parameters in the Mysql JDBC URL should be blacklisted. Versions of Apache Linkis <= 1.3.0 will be affected. We recommend users upgrade the version of Linkis to version 1.3.2.

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 confidence

Apache Linkis <=1.3.1 contains a deserialization vulnerability in the JDBC EngineConn Module. Attackers can configure malicious MySQL JDBC parameters that bypass input filtering, leading to arbitrary code execution. The fix requires blacklisting dangerous parameters in MySQL JDBC URLs.

MitigationUpgrade Apache Linkis to version 1.3.2 and implement parameter blacklisting for MySQL JDBC connection URLs to block malicious parameters.

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
LinkisApplication
Affected:<= 1.3.1

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
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Apache Linkis version
    Check the Linkis version file or pom.xml in the installation directory, or run: cat $LINKIS_HOME/RELEASE or check the version in the management console
    Affected if The version is 1.3.1 or lower
  2. Verify JDBC EngineConn is in use
    Check if the JDBC EngineConn plugin is deployed or enabled in the Linkis configuration files under engine-plugins or through the EngineConnManager
    Affected if JDBC EngineConn is enabled and MySQL is configured as a data source
  3. Inspect MySQL JDBC connection URL configurations
    Examine Linkis database source configuration files (such as linkis-mg.properties, datasource configuration files, or JDBC URL settings) for MySQL connection strings
    Affected if MySQL JDBC URLs contain configurable parameters that could be manipulated
  4. Review JDBC parameter filtering settings
    Check Linkis configuration for any existing parameter blacklist or whitelist settings related to JDBC connection URLs
    Affected if No parameter blacklist exists or dangerous parameters like allowLoadLocalInfile, autoDeserialize, or other deserialization-related MySQL JDBC parameters are not explicitly blocked

You are affected if Apache Linkis version is 1.3.1 or lower and the JDBC EngineConn module is configured to connect to MySQL databases without parameter blacklisting in place.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

dbcve · scoped
Upgrade available Upgrade to a release after 1.3.1
Interim mitigation

Upgrade Apache Linkis to version 1.3.2 and implement parameter blacklisting for MySQL JDBC connection URLs to block malicious parameters.

Recommended fix High confidence

1.3.2

  1. Backup your current Linkis installation and configuration data
  2. Download Apache Linkis version 1.3.2 from the official Apache repository
  3. Stop the current Linkis services
  4. Upgrade the Linkis installation to version 1.3.2 using your deployment method (e.g., standard upgrade procedure)
  5. Restart all Linkis services
  6. Verify that the JDBC EngineConn Module functions correctly with the upgrade

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Linkis Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing8.0 h
  • Review / QA4.0 h
24.0 hours of engineering $4,160
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,656.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-29215 in production — separate from our analysis above.

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What this is

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.

What belongs here
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  • Version or environment caveats, and links to real fixes
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