CVE-2017-6448 : Security Advisory and Response

CVE-2017-6448 was published on April 3, 2017, and affects radare2 version 1.2.1. The vulnerability allows remote attackers to execute a denial of service attack through a crafted DEX file, potentially leading to a stack-based buffer overflow and application crash.

Understanding CVE-2017-6448

This CVE entry highlights a vulnerability in the dalvik_disassemble function of radare2 1.2.1, which could be exploited by attackers to disrupt the application's functionality.

What is CVE-2017-6448?

The vulnerability in radare2 1.2.1 allows attackers to trigger a denial of service attack by exploiting a stack-based buffer overflow using a manipulated DEX file. The specific impacts beyond application crashes have not been fully disclosed.

The Impact of CVE-2017-6448

The vulnerability poses a risk of denial of service by crashing the application. Additionally, there may be other unspecified impacts that could affect the system's integrity and security.

Technical Details of CVE-2017-6448

CVE-2017-6448 involves specific technical aspects that are crucial to understanding its implications.

Vulnerability Description

The vulnerability arises from a stack-based buffer overflow in the dalvik_disassemble function of radare2 1.2.1, which can be exploited remotely using a manipulated DEX file.

Affected Systems and Versions

Product: radare2
Vendor: N/A
Version: 1.2.1

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a DEX file to trigger the stack-based buffer overflow, leading to a denial of service condition and potential application crashes.

Mitigation and Prevention

Addressing CVE-2017-6448 requires immediate actions and long-term security measures to mitigate risks and prevent future vulnerabilities.

Immediate Steps to Take

Update radare2 to a patched version that addresses the buffer overflow issue.
Implement network security measures to prevent remote exploitation of vulnerabilities.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Ensure timely installation of security patches and updates for radare2 to prevent exploitation of the vulnerability.