SB2024031528 - Multiple vulnerabilities in Apache Pulsar

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Main Vulnerability Database SB2024031528

SB2024031528 - Multiple vulnerabilities in Apache Pulsar

Published: March 15, 2024

Security Bulletin ID SB2024031528
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2024-28098)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with produce or consume permissions to modify topic-level policies, such as retention, TTL, and offloading settings.


2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2024-27894)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The disclosed vulnerability allows a remote user to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and read arbitrary files with privileges of the Pulsar Functions Worker process or initiate requests to internal systems.


3) Path traversal (CVE-ID: CVE-2024-27317)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to improper validation of file names inside .jar and .nar files. A remote user can upload a specially crafted archive to the application and overwrite arbitrary files on the system.


4) Code Injection (CVE-ID: CVE-2024-27135)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote authenticated user can send a specially crafted request and execute arbitrary Java code on the Pulsar Function worker.


Remediation

Install update from vendor's website.

References