cve-2023-34453
Vulnerability from cvelistv5
Published
2023-06-15 16:12
Modified
2024-08-02 16:10
Summary
snappy-java's Integer Overflow vulnerability in shuffle leads to DoS
Impacted products
xerialsnappy-java
Show details on NVD website


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            "url": "https://github.com/xerial/snappy-java/commit/820e2e074c58748b41dbd547f4edba9e108ad905"
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          "vendor": "xerial",
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          "value": "snappy-java is a fast compressor/decompressor for Java. Due to unchecked multiplications, an integer overflow may occur in versions prior to 1.1.10.1, causing a fatal error.\n\nThe function `shuffle(int[] input)` in the file `BitShuffle.java` receives an array of integers and applies a bit shuffle on it. It does so by multiplying the length by 4 and passing it to the natively compiled shuffle function. Since the length is not tested, the multiplication by four can cause an integer overflow and become a smaller value than the true size, or even zero or negative. In the case of a negative value, a `java.lang.NegativeArraySizeException` exception will raise, which can crash the program. In a case of a value that is zero or too small, the code that afterwards references the shuffled array will assume a bigger size of the array, which might cause exceptions such as `java.lang.ArrayIndexOutOfBoundsException`.\n\nThe same issue exists also when using the `shuffle` functions that receive a double, float, long and short, each using a different multiplier that may cause the same issue.\n\nVersion 1.1.10.1 contains a patch for this vulnerability."
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          "url": "https://github.com/xerial/snappy-java/security/advisories/GHSA-pqr6-cmr2-h8hf"
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        "advisory": "GHSA-pqr6-cmr2-h8hf",
        "discovery": "UNKNOWN"
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    "dateReserved": "2023-06-06T16:16:53.558Z",
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