CVE-2018-12320 : What You Need to Know

A use after free vulnerability was discovered in radare2 version 2.6.0, specifically in the function r_anal_bb_free() located in the file libr/anal/bb.c. This vulnerability can be exploited by a specially crafted Java binary file.

Understanding CVE-2018-12320

This CVE entry describes a specific vulnerability in radare2 version 2.6.0 that could lead to a use after free scenario.

What is CVE-2018-12320?

CVE-2018-12320 is a use after free vulnerability found in radare2 version 2.6.0, affecting the function r_anal_bb_free() in the file libr/anal/bb.c. It can be triggered by a specially crafted Java binary file.

The Impact of CVE-2018-12320

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the use after free issue in radare2 version 2.6.0.

Technical Details of CVE-2018-12320

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the function r_anal_bb_free() in the file libr/anal/bb.c of radare2 version 2.6.0. It is classified as a use after free vulnerability.

Affected Systems and Versions

Affected Version: radare2 version 2.6.0
Systems: Any system running the vulnerable version of radare2.

Exploitation Mechanism

The vulnerability can be exploited by using a specially crafted Java binary file to trigger the use after free condition in the r_anal_bb_free() function.

Mitigation and Prevention

To address CVE-2018-12320, follow these mitigation strategies:

Immediate Steps to Take

Update radare2 to a non-vulnerable version.
Avoid opening untrusted Java binary files.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement code reviews and security testing in the development process.

Patching and Updates

Apply patches provided by radare2 to fix the use after free vulnerability in version 2.6.0.