Heap-based Buffer Overflow in radare2
Summary
DLA-1016-1: radare2 - security update. Affects radare2 versions < 0.9-3+deb7u3. Fixed in 0.9-3+deb7u3. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
radare2 is a reverse-engineering framework that provides a set of tools for analyzing binary files. It is commonly used for tasks such as disassembling, debugging, and patching executables. The framework is designed to be modular and extensible, allowing users to add new features and plugins. However, a vulnerability has been discovered in radare2 that could allow attackers to cause a remote denial of service.
Vulnerability Detail
The vulnerability in radare2 is a heap-based buffer overflow. Specifically, the grub_memmove function is affected, which can be exploited by attackers to trigger a remote denial of service. By sending specially crafted input, an attacker can cause the function to overflow the heap buffer, leading to a crash or potentially arbitrary code execution. This vulnerability poses a significant risk to systems running radare2, as it can be exploited remotely.
How To Fix
Minimum fixed version
0.9-3+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade radare2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, a heap-based buffer overflow vulnerability has been discovered in radare2, which could allow attackers to cause a remote denial of service. Users are advised to upgrade their radare2 packages to version 0.9-3+deb7u3 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for radare2 →
FAQ
radare2 is a reverse-engineering framework used for analyzing binary files.
A heap-based buffer overflow is a type of vulnerability where an attacker can overwrite data in the heap memory, potentially leading to a crash or arbitrary code execution.
This vulnerability can be exploited by sending specially crafted input to the grub_memmove function in radare2, causing a heap-based buffer overflow and potentially leading to a denial of service or arbitrary code execution.
The impact of this vulnerability is a remote denial of service, where an attacker can crash the radare2 process by triggering the heap-based buffer overflow.
To protect your system, it is recommended to upgrade radare2 to version 0.9-3+deb7u3 or later, which includes a patch for the heap-based buffer overflow.
Related vulnerabilities
Recent vulnerabilities recorded for radare2.
