Buffer Overflow Vulnerability in nfdump Package: CVE-2019-1010057
Summary
ALPINE-CVE-2019-1010057: nfdump 1.6.16 and earlier is affected by: Buffer Overflow. Affects nfdump versions < 1.6.18-r0. Fixed in 1.6.18-r0. How to fix ↓
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Background
nfdump is a network flow analysis tool that allows users to collect, store, and analyze network flow data. It is widely used for monitoring network traffic and troubleshooting network issues. The package is known for its efficiency in handling large volumes of flow data and provides various features for data analysis and reporting. However, earlier versions of nfdump, specifically version 1.6.16 and earlier, are vulnerable to a buffer overflow issue that can lead to severe security risks.
Vulnerability Detail
The vulnerability identified as CVE-2019-1010057 is a buffer overflow that occurs in nfdump versions 1.6.16 and earlier. This flaw can be exploited when nfdump processes specially crafted files, potentially leading to denial of service or local code execution. The vulnerability is rooted in the code files nfx.c, nffile_inline.c, and minilzo.c. Attackers can leverage this vulnerability to execute arbitrary code on the affected system, posing a significant threat to system integrity and security.
How To Fix
Minimum fixed version
1.6.18-r0
This is the first release that contains the fix.
sudo apk add --upgrade nfdumpTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid processing untrusted or specially crafted files with nfdump until the package is updated to a secure version. This can help prevent exploitation of the buffer overflow vulnerability.
Conclusion
The buffer overflow vulnerability in nfdump (CVE-2019-1010057) poses significant risks to users of the package. It is crucial to update to the patched version to ensure system security. Users are encouraged to utilize tools like Vulert for ongoing monitoring of vulnerabilities in their applications.
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FAQ
CVE-2019-1010057 is a buffer overflow vulnerability found in nfdump versions 1.6.16 and earlier, which can lead to denial of service or local code execution.
You can verify your nfdump version by running the command nfdump -V in your terminal. If it is 1.6.16 or earlier, it is vulnerable.
Exploitation of this vulnerability can result in denial of service or unauthorized code execution, compromising system security.
Yes, the patched version of nfdump is 1.6.18-r0. Users should update to this version to mitigate the vulnerability.
Vulert monitors open-source vulnerabilities in software using a manifest file like package-lock.json, providing real-time alerts without needing code access.
References
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