Buffer Overflow in ChaSen 2.4.x
Summary
CVE-2011-4000: Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string. Affects chasen versions < 2.4.4-17. Fixed in 2.4.4-17. How to fix ↓
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Background
ChaSen is a Japanese morphological analysis system that tokenizes and tags Japanese text. It is widely used in natural language processing applications. The vulnerability affects versions 2.4.x of ChaSen. The package is available in the Debian ecosystem, specifically in versions 10, 11, 12, and 13.
Vulnerability Detail
The vulnerability, identified as CVE-2011-4000, is a buffer overflow issue in ChaSen. It allows remote attackers to execute arbitrary code by exploiting a crafted string. This can lead to unauthorized access, data leakage, or system compromise.
How To Fix
Minimum fixed version
2.4.4-17
This is the first release that contains the fix.
sudo apt-get install --only-upgrade chasenTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
In conclusion, the buffer overflow vulnerability in ChaSen 2.4.x can be exploited by remote attackers to execute arbitrary code. It is recommended to update the ChaSen package to version 2.4.4-17 or later to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for chasen →
FAQ
ChaSen is a Japanese morphological analysis system used for tokenizing and tagging Japanese text.
A buffer overflow occurs when a program writes data beyond the allocated buffer, potentially overwriting adjacent memory and leading to unexpected behavior or security vulnerabilities.
The vulnerability can be exploited by sending a specially crafted string to the ChaSen system, which triggers the buffer overflow and allows the attacker to execute arbitrary code.
The consequences of this vulnerability include unauthorized access, data leakage, and potential system compromise.
To update the ChaSen package, use the package manager of your Debian-based system and install version 2.4.4-17 or later.
References
Related vulnerabilities
Recent vulnerabilities recorded for chasen.
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