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bounds checking

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This commit is contained in:
Haris Khan
2024-11-15 11:31:10 -05:00
parent 767864d457
commit 6f6291a9f6
1 changed files with 5 additions and 0 deletions
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5
lib/common/data/string.go
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@ -148,6 +148,11 @@ func ReadI2PString(data []byte) (str I2PString, remainder []byte, err error) {
return return
} }
data_len := length.Int() + 1 data_len := length.Int() + 1
if data_len > len(data) {
err = fmt.Errorf("I2PString length %d exceeds available data %d", data_len-1, len(data)-1)
log.WithError(err).Error("Failed to read I2PString")
return
}
str = data[:data_len] str = data[:data_len]
remainder = data[data_len:] remainder = data[data_len:]
l, err := str.Length() l, err := str.Length()