ZDI-25-200: Exim Use-After-Free Local Privilege Escalation Vulnerability

Published Apr 7, 2025
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Exim. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-30232.

Affected Software

1 affected component
Exim Exim

Event History

Apr 7, 2025
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-25-200?

The vulnerability ZDI-25-200 has been assigned a CVSS rating of 7.8, indicating a high severity level.

2

How can I exploit ZDI-25-200?

To exploit ZDI-25-200, an attacker must first execute low-privileged code on the affected Exim installation.

3

What software is affected by ZDI-25-200?

ZDI-25-200 affects installations of Exim email server software.

4

What are the potential impacts of ZDI-25-200?

Exploitation of ZDI-25-200 could allow local attackers to escalate their privileges on the affected system.

5

How do I fix ZDI-25-200?

To mitigate ZDI-25-200, it is recommended to update Exim to the latest version provided by the vendor.

Contact

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