CVE-2018-11377 : Vulnerability Insights and Analysis
Discover the impact of CVE-2018-11377, a vulnerability in radare2 version 2.5.0 allowing remote attackers to trigger a denial of service attack via a crafted binary file. Learn about mitigation steps.
An issue was found in radare2 version 2.5.0, specifically in the avr_op_analyze() function, enabling remote attackers to trigger a denial of service attack by exploiting a heap-based out-of-bounds read.
Understanding CVE-2018-11377
This CVE identifies a vulnerability in radare2 version 2.5.0 that allows remote attackers to cause a denial of service attack through a crafted binary file.
What is CVE-2018-11377?
The vulnerability in the avr_op_analyze() function of radare2 version 2.5.0 allows remote attackers to trigger a denial of service attack by exploiting a heap-based out-of-bounds read, leading to an application crash.
The Impact of CVE-2018-11377
- Remote attackers can exploit this vulnerability to cause a denial of service attack.
- The vulnerability can result in an application crash when a carefully crafted binary file is used.
Technical Details of CVE-2018-11377
This section provides technical details about the vulnerability.
Vulnerability Description
The avr_op_analyze() function in radare2 2.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted binary file.
Affected Systems and Versions
- Affected Version: 2.5.0
- Systems using radare2 version 2.5.0 are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability is triggered when a carefully crafted binary file is utilized, enabling remote attackers to exploit a heap-based out-of-bounds read.
Mitigation and Prevention
Protecting systems from CVE-2018-11377 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update radare2 to a patched version that addresses the vulnerability.
- Avoid opening binary files from untrusted sources.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement network security measures to prevent remote attacks.
Patching and Updates
- Stay informed about security updates for radare2 and promptly apply patches to mitigate the vulnerability.