Loading...
Skip to main content
GeekWala

CVE-2024-27135 — Apache Pulsar: Improper Input Validation in...

HIGH

Apache Pulsar: Improper Input Validation in Pulsar Function Worker allows Remote Code Execution

Published March 12, 2024Updated February 13, 2025Source: osv

Summary

Improper input validation in the Pulsar Function Worker allows a malicious authenticated user to execute arbitrary Java code on the Pulsar Function worker, outside of the sandboxes designated for running user-provided functions. This vulnerability also applies to the Pulsar Broker when it is configured with "functionsWorkerEnabled=true". This issue affects Apache Pulsar versions from 2.4.0 to 2.10.5, from 2.11.0 to 2.11.3, from 3.0.0 to 3.0.2, from 3.1.0 to 3.1.2, and 3.2.0. 2.10 Pulsar Function Worker users should upgrade to at least 2.10.6. 2.11 Pulsar Function Worker users should upgrade to at least 2.11.4. 3.0 Pulsar Function Worker users should upgrade to at least 3.0.3. 3.1 Pulsar Function Worker users should upgrade to at least 3.1.3. 3.2 Pulsar Function Worker users should upgrade to at least 3.2.1. Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.

Advisory Timeline

  • First published March 12, 2024 (944 days ago).
  • Last revised February 13, 2025 — 338 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.apache.pulsar:pulsar-functions-worker to 3.2.1 or later
<!-- Update pom.xml dependency version to 3.2.1 for org.apache.pulsar:pulsar-functions-worker -->
Maven
Update org.apache.pulsar:pulsar-functions-worker to 2.10.6 or later
<!-- Update pom.xml dependency version to 2.10.6 for org.apache.pulsar:pulsar-functions-worker -->
Maven
Update org.apache.pulsar:pulsar-functions-worker to 3.0.3 or later
<!-- Update pom.xml dependency version to 3.0.3 for org.apache.pulsar:pulsar-functions-worker -->
Maven
Update org.apache.pulsar:pulsar-functions-worker to 3.1.3 or later
<!-- Update pom.xml dependency version to 3.1.3 for org.apache.pulsar:pulsar-functions-worker -->
Maven
Update org.apache.pulsar:pulsar-functions-worker to 2.11.4 or later
<!-- Update pom.xml dependency version to 2.11.4 for org.apache.pulsar:pulsar-functions-worker -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (5)

Affects 1 ecosystem: maven (1).

PackageEcosystemAffectedFixed In
org.apache.pulsar:pulsar-functions-worker
maven
3.2.03.2.1
org.apache.pulsar:pulsar-functions-worker
maven
2.10.0, 2.10.1, 2.10.2, 2.10.3 (+30 more)2.10.6
org.apache.pulsar:pulsar-functions-worker
maven
3.0.0, 3.0.1, 3.0.23.0.3
org.apache.pulsar:pulsar-functions-worker
maven
3.1.0, 3.1.1, 3.1.23.1.3
org.apache.pulsar:pulsar-functions-worker
maven
2.11.0, 2.11.1, 2.11.2, 2.11.32.11.4

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-20
    Improper Input ValidationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2024-27135?
Apache Pulsar: Improper Input Validation in Pulsar Function Worker allows Remote Code Execution This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.5/10).
How do I check if my project is affected by CVE-2024-27135?
CVE-2024-27135 affects org.apache.pulsar:pulsar-functions-worker. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-27135 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-xp2r-g8qq-44hh

Related CVEs

More Maven advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies