CVE-2018-11384 : Exploit Details and Defense Strategies

A crafted ELF file can cause a denial of service (heap-based out-of-bounds read and application crash) when executed through the sh_op() function in radare2 version 2.5.0.

Understanding CVE-2018-11384

The CVE-2018-11384 vulnerability in radare2 version 2.5.0 can lead to a denial of service due to a heap-based out-of-bounds read and application crash when processing a specially crafted ELF file.

What is CVE-2018-11384?

The CVE-2018-11384 vulnerability allows remote attackers to trigger a denial of service by exploiting a specific function in radare2 version 2.5.0 with a maliciously created ELF file.

The Impact of CVE-2018-11384

This vulnerability can result in a denial of service condition, potentially leading to application crashes and disruption of services utilizing the affected radare2 version.

Technical Details of CVE-2018-11384

The technical aspects of the CVE-2018-11384 vulnerability are as follows:

Vulnerability Description

Type: Denial of Service (DoS)
Trigger: Crafted ELF file
Consequence: Heap-based out-of-bounds read and application crash

Affected Systems and Versions

System: radare2
Version: 2.5.0

Exploitation Mechanism

Attack Vector: Remote
Attack Complexity: Low
Privileges Required: None

Mitigation and Prevention

To address CVE-2018-11384 and enhance system security, consider the following mitigation strategies:

Immediate Steps to Take

Update radare2 to a non-vulnerable version
Implement proper input validation mechanisms
Monitor system logs for suspicious activities

Long-Term Security Practices

Regularly update software and libraries
Conduct security assessments and audits
Educate developers on secure coding practices

Patching and Updates

Apply patches provided by radare2 promptly
Stay informed about security advisories and updates from the vendor