Fix UDP fragmentOffset

xfangfang · May 26, 2024 · c0ac85d · c0ac85d
1 parent f1da8f6
commit c0ac85d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/exploit.cpp b/src/exploit.cpp
@@ -1008,7 +1008,7 @@ int Exploit::stage4() {
 
         // last fragment
         if (offset + payloadSize >= this->stage2_bin.size()) {
-            ipLayer.getIPv4Header()->fragmentOffset = htobe16(offset / 8 + (offset != 0)) & 0xFF1F;
+            ipLayer.getIPv4Header()->fragmentOffset = htobe16(offset / 8 + (offset != 0)) & htobe16(0x1FFF);
             payloadSize = this->stage2_bin.size() - offset;
         }