CVE-2018-11382 : Vulnerability Insights and Analysis

A crafted binary file can be used to exploit the _inst__sts() function in version 2.5.0 of radare2, leading to a denial of service through a heap-based out-of-bounds read.

Understanding CVE-2018-11382

This CVE entry describes a vulnerability in radare2 version 2.5.0 that allows remote attackers to trigger a denial of service attack.

What is CVE-2018-11382?

The _inst__sts() function in radare2 2.5.0 can be exploited by malicious actors using a specially crafted binary file. This exploitation can result in a heap-based out-of-bounds read, ultimately causing the application to crash.

The Impact of CVE-2018-11382

The vulnerability can be exploited remotely, potentially leading to a denial of service attack on systems running the affected version of radare2.

Technical Details of CVE-2018-11382

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The _inst__sts() function in radare2 2.5.0 allows remote attackers to cause a denial of service by triggering a heap-based out-of-bounds read through a specially crafted binary file.

Affected Systems and Versions

Affected Version: 2.5.0 of radare2
Systems running radare2 version 2.5.0 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit the vulnerability by using a crafted binary file to trigger the _inst__sts() function, causing a heap-based out-of-bounds read and subsequent application crash.

Mitigation and Prevention

Protecting systems from CVE-2018-11382 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Update radare2 to a patched version that addresses the vulnerability.
Avoid opening untrusted binary files with radare2 until the patch is applied.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to prevent remote exploitation of vulnerabilities.

Patching and Updates

Ensure that radare2 is updated to a version that includes a fix for CVE-2018-11382 to mitigate the risk of exploitation.