CVE-2017-6194 : Exploit Details and Defense Strategies
Learn about CVE-2017-6194, a vulnerability in radare2 1.2.1 that can be exploited by remote attackers, causing a denial of service through a heap-based buffer overflow. Find out how to mitigate this issue.
In radare2 version 1.2.1, a vulnerability exists in the relocs function in libr/bin/p/bin_bflt.c that can be exploited by remote attackers, potentially leading to a denial of service through a heap-based buffer overflow.
Understanding CVE-2017-6194
This CVE entry describes a specific vulnerability in radare2 version 1.2.1 that can be abused by attackers to cause a denial of service.
What is CVE-2017-6194?
The relocs function in radare2 1.2.1 allows remote attackers to trigger a denial of service, including a heap-based buffer overflow and application crash, by using a specially crafted binary file.
The Impact of CVE-2017-6194
The exploitation of this vulnerability can result in a denial of service condition, specifically a heap-based buffer overflow, leading to the application crashing. Additionally, there may be other unspecified adverse effects when a malicious binary file is utilized.
Technical Details of CVE-2017-6194
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the relocs function in radare2 1.2.1 can be exploited by remote attackers to cause a denial of service, potentially resulting in a heap-based buffer overflow and application crash.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited remotely by using a crafted binary file to trigger a heap-based buffer overflow, leading to a denial of service.
Mitigation and Prevention
To address CVE-2017-6194, the following steps can be taken:
Immediate Steps to Take
- Update radare2 to a patched version that addresses the vulnerability.
- Avoid opening untrusted or suspicious binary files.
Long-Term Security Practices
- Regularly update software and libraries to the latest secure versions.
- Implement network security measures to prevent remote exploitation.
Patching and Updates
Ensure that radare2 is regularly updated with the latest security patches to mitigate the risk of exploitation.