Double-Free Vulnerability in dwarfutils Package: Potential Unpredictable Behavior
Summary
DEBIAN-CVE-2024-2002: A double-free vulnerability was found in libdwarf. Affects dwarfutils versions < 1:0.11.1-1. Fixed in 1:0.11.1-1. How to fix ↓
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Background
The dwarfutils package is a set of utilities for working with DWARF debugging information, which is used by compilers to provide debugging data. It is essential for developers who need to analyze and debug programs. The package is widely used in various software development environments, making its security critical. The vulnerability in question affects versions of dwarfutils prior to 1:0.11.1-1, where a double-free issue can arise in corrupted DWARF objects.
Vulnerability Detail
A double-free vulnerability was identified in the libdwarf library, which is part of the dwarfutils package. This issue occurs when the library attempts to deallocate memory that has already been freed, leading to potential unpredictable behavior, crashes, or even exploitation by attackers. The vulnerability stems from improper handling of memory allocations in the presence of corrupted DWARF objects, which can be manipulated by malicious actors.
How To Fix
Minimum fixed version
1:0.11.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade dwarfutilsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds available for this vulnerability. The best course of action is to apply the patch by updating the package as mentioned above.
Conclusion
The double-free vulnerability in the dwarfutils package poses significant risks to software security. It is crucial for users to update to the patched version to mitigate these risks. Regular monitoring of open-source dependencies using tools like Vulert can help maintain software integrity.
See every vulnerability recorded for dwarfutils →
FAQ
A double-free vulnerability occurs when a program attempts to free the same memory location more than once, which can lead to unpredictable behavior and security risks.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
The consequences can range from application crashes to exploitation by attackers, leading to unauthorized access or data corruption.
Yes, version 1:0.11.1-1 and later are considered safe as they contain the necessary patches to address this vulnerability.
You can visit Vulert.com, which provides real-time monitoring and alerts for open-source vulnerabilities without requiring code access.
References
Related vulnerabilities
Recent vulnerabilities recorded for dwarfutils.
