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fix: guard ttl loading against int overflow #292

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Merged
merged 1 commit into from
Feb 23, 2025
Merged

fix: guard ttl loading against int overflow #292

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8 changes: 6 additions & 2 deletions internal/indexer/indexer.go
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2024 Blink Labs Software
// Copyright 2025 Blink Labs Software
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file or at
Expand All @@ -10,6 +10,7 @@ import (
"encoding/hex"
"fmt"
"log/slog"
"math"
"os"
"strings"
"time"
Expand Down Expand Up @@ -369,7 +370,10 @@ func (i *Indexer) handleEventOutputDns(
Rhs: string(record.Rhs),
}
if record.Ttl.HasValue() {
tmpRecord.Ttl = int(record.Ttl.Value)
if record.Ttl.Value > math.MaxInt {
return fmt.Errorf("record ttl value out of bounds")
}
tmpRecord.Ttl = int(record.Ttl.Value) // #nosec G115
}
tmpRecords = append(tmpRecords, tmpRecord)
}
Expand Down