CVE-2017-15932 : Vulnerability Insights and Analysis

A vulnerability has been identified in radare2 2.0.1, involving an integer exception in the store_versioninfo_gnu_verdef() function in libr/bin/format/elf/elf.c, leading to unauthorized memory access on 32-bit systems.

Understanding CVE-2017-15932

This CVE entry highlights a specific vulnerability in radare2 version 2.0.1, impacting systems processing ELF versions on 32-bit platforms.

What is CVE-2017-15932?

The vulnerability in radare2 2.0.1 allows for an integer exception, where a negative number is exploited to carry out unauthorized memory access, triggered during ELF version processing on 32-bit systems.

The Impact of CVE-2017-15932

The exploitation of this vulnerability could lead to unauthorized access to memory, potentially enabling attackers to execute arbitrary code or disrupt system operations.

Technical Details of CVE-2017-15932

This section delves into the technical aspects of the CVE entry.

Vulnerability Description

The vulnerability exists in the store_versioninfo_gnu_verdef() function in radare2 2.0.1, allowing for unauthorized memory access through an integer exception.

Affected Systems and Versions

Affected Version: radare2 2.0.1
Systems: 32-bit systems processing ELF versions

Exploitation Mechanism

The exploit occurs when processing ELF versions on 32-bit systems, utilizing a negative number to trigger unauthorized memory access.

Mitigation and Prevention

Protecting systems from CVE-2017-15932 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update radare2 to a patched version or apply security fixes provided by the vendor.
Implement strict input validation mechanisms to prevent integer exceptions.

Long-Term Security Practices

Regularly monitor and update software to address known vulnerabilities.
Conduct security assessments and audits to identify and mitigate potential risks.

Patching and Updates

Stay informed about security advisories and patches released by radare2.
Apply updates promptly to ensure systems are protected against known vulnerabilities.