Integer Overflow Vulnerability in Snappy-Java Package Leading to Potential Application Crashes
Summary
UBUNTU-CVE-2023-34453: snappy-java is a fast compressor/decompressor for Java. Affects snappy-java versions 1.0.4.1~dfsg-1. No fix is published. How to fix ↓
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Background
Snappy-Java is a fast compressor and decompressor designed for Java applications, enabling efficient data processing and storage. It is widely used in various applications for its speed and performance. However, certain versions of Snappy-Java are vulnerable to an integer overflow issue that can lead to application crashes when handling specific input sizes.
Vulnerability Detail
The vulnerability arises from unchecked multiplications in the function 'shuffle(int[] input)' within the BitShuffle.java file. When the function multiplies the length of an input array by 4 without validating the length, it can lead to an integer overflow. This overflow may result in a negative array size or a size smaller than intended, causing exceptions such as 'java.lang.NegativeArraySizeException' or 'java.lang.ArrayIndexOutOfBoundsException'. The affected versions are those prior to 1.1.10.1, which contains a patch for this issue. The CVSS score for this vulnerability is 5.9, indicating a medium severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, validate the input array length before passing it to the shuffle function to prevent potential overflows. This can be implemented in your code as follows:
if (input.length > 0) {
// Proceed with shuffle operation
} else {
// Handle the error appropriately
}
Conclusion
The integer overflow vulnerability in the Snappy-Java package poses a risk of application crashes due to unchecked multiplications. It is crucial to update to the patched version 1.1.10.1 or later to mitigate this risk. Users are encouraged to validate input lengths as a temporary measure while transitioning to the updated package.
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FAQ
The integer overflow can lead to application crashes due to exceptions triggered by invalid array sizes.
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Versions prior to 1.1.10.1 are affected by this vulnerability.
Yes, version 1.1.10.1 and later contain a patch that addresses this vulnerability.
Implement input validation as a temporary workaround to prevent potential crashes until you can update.
Related vulnerabilities
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