Heap Buffer Overflow Vulnerability in Binutils: CVE-2022-38533
Summary
UBUNTU-CVE-2022-38533: In GNU Binutils before 2.40, there is a heap-buffer-overflow in the error function bfd_getl32 when called from the strip_main function in strip-new via a crafted file. Affects binutils versions < 2.24-5ubuntu14.2+esm6. Fixed in 2.24-5ubuntu14.2+esm6. How to fix ↓
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Background
Binutils is a collection of binary tools used for handling binary files, object files, and executable files. It provides essential functionalities for developers, including linking, assembling, and disassembling. The package is widely utilized in various Linux distributions, making it a critical component for software development and system operations. However, it is susceptible to vulnerabilities that can compromise system integrity and security.
Vulnerability Detail
In GNU Binutils before version 2.40, a heap-buffer-overflow vulnerability exists in the error function bfd_getl32 when invoked from the strip_main function in strip-new. This vulnerability can be exploited using a crafted file, potentially leading to arbitrary code execution or crashes, thereby compromising the system's security and stability.
How To Fix
Minimum fixed version
2.24-5ubuntu14.2+esm6
This is the first release that contains the fix.
sudo apt-get install --only-upgrade binutilsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, avoid processing untrusted or crafted files with the Binutils tools until the package is updated to a secure version.
Conclusion
The CVE-2022-38533 vulnerability in Binutils poses a significant risk to systems using affected versions of the package. It is crucial to update to the patched versions to mitigate potential security threats. Users are encouraged to utilize tools like Vulert for ongoing monitoring of vulnerabilities in their applications.
See every vulnerability recorded for binutils →
FAQ
CVE-2022-38533 is a vulnerability in GNU Binutils that allows for a heap buffer overflow, which can be exploited through crafted files.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
Exploitation of this vulnerability can lead to arbitrary code execution, crashes, and potential unauthorized access to system resources.
Yes, patched versions of Binutils are available. Ensure your system is updated to one of the secure versions listed in the 'how to fix' section.
The CVSS score of CVE-2022-38533 is 5.5, indicating a medium severity level.
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