Apache Pulsar: Pulsar Functions Worker's Archive Extraction Vulnerability Allows Unauthorized File Modification
In Pulsar Functions Worker, authenticated users can upload functions in jar or nar files. These files, essentially zip files, are extracted by the Functions Worker. However, if a malicious file is uploaded, it could exploit a directory traversal vulnerability. This occurs when the filenames in the zip files, which aren't properly validated, contain special elements like "..", altering the directory path. This could allow an attacker to create or modify files outside of the designated extraction directory, potentially influencing system behavior. 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.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.pulsar:pulsar-functions-worker | >= 2.4.0, < 2.10.6, >= 2.11.0, < 2.11.4, >= 3.0.0, < 3.0.3, >= 3.1.0, < 3.1.3, >= 3.2.0, < 3.2.1 | 2.10.6, 2.11.4, 3.0.3, 3.1.3, 3.2.1 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- Debilidad (CWE)
CWE-22- Plataforma
- Java / Kotlin (Maven)
- Paquete
org.apache.pulsar:pulsar-functions-worker- Publicada
- 12.03.2024
- Actualizado
- 11.10.2026 12:21
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-jg2g-4rjg-cmqh - CC BY 4.0
Historial de vulnerabilidades: org.apache.pulsar:pulsar-functions-worker
Todas las vulnerabilidades publicadas de este paquete (Java / Kotlin (Maven)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 4
- Primera → última
- 07.2023 03.2024
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 2
- Media 1
Divulgaciones por año
- 2023: 1
- 2024: 3
- 2025: 0
- 2026: 0
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Apache Pulsar: Pulsar Functions Worker's Archive Extraction Vulnerability Allows Unauthorized File Modification esta entrada
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