Augeas: NULL pointer dereference (CVE-2025-2588) #shorts

Summary

In today's episode, we're diving into CVE-2025-2588, a newly reported vulnerability affecting the Hercules Augeas version 1.14.1. This vulnerability revolves around a null pointer dereference in the re_case_expand function, potentially leading to a Denial of Service (DoS) attack. We will explore the details of this CVE and discuss the implications for affected systems.

Product Details

Hercules Augeas is a tool that processes configuration files using a layered approach, providing a tree representation of the file structure. It is widely utilized by system administrators and developers to facilitate the editing and management of configuration files. The specific version impacted by CVE-2025-2588 is Hercules:Augeas 1.14.1.

Vulnerability Type Summary

CVE-2025-2588 is classified as a Null Pointer Dereference vulnerability which can lead to a Denial of Service (DoS) attack. Such vulnerabilities occur when a program attempts to read or write to a null pointer, causing the program to crash and potentially disrupt services.

Details of the Vulnerability

The vulnerability resides in the re_case_expand function within the file src/fa.c of Hercules Augeas version 1.14.1. By manipulating the re argument, an attacker can trigger a null pointer dereference, potentially resulting in system instability or crash. The vulnerability requires local access for exploitation, which may limit its reach but still poses a significant risk, especially in environments where multiple users share a system.

Conclusion

To mitigate this vulnerability, users are urged to update Hercules Augeas to a newer version where this issue has been patched. Additionally, updates have been released by Fedora and Mageia, addressing this specific vulnerability. Admins and users alike should ensure that their systems are up-to-date to alleviate any potential risk posed by CVE-2025-2588.

Watch the full video on YouTube: CVE-2025-2588

Remediation and exploitation details

This chain involves the following actors

This following systems are involved

Attack entry point

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Exploitation actions

CVE database technical details

CVE ID

CVE-2025-2588

Description

A vulnerability has been found in Hercules Augeas 1.14.1 and classified as problematic. This vulnerability affects the function re_case_expand of the file src/fa.c. The manipulation of the argument re leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.,In Hercules Augeas 1.14.1 wurde eine problematische Schwachstelle gefunden. Dabei geht es um die Funktion re_case_expand der Datei src/fa.c. Durch Manipulation des Arguments re mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Provider

VulDB

CWE / problem types

NULL Pointer Dereference,Denial of Service

Affected Software Versions

Hercules:Augeas:[{'version': '1.14.1', 'status': 'affected'}]

Date Published

2025-03-21T12:00:10.758Z

Last Updated

2025-03-21T17:24:55.111Z