Linux SPD accessors out-of-bounds check

4 months ago · c1db812b67
parent ccee553257
commit c1db812b67
2 changed files with 12 additions and 0 deletions
--- a/SPDAccessor/EE1004Accessor_Linux.cpp
+++ b/SPDAccessor/EE1004Accessor_Linux.cpp
@ -47,6 +47,12 @@ uint8_t EE1004Accessor::at(uint16_t addr)
    {
        readEEPROM();
    }
+    // Prevent indexing out of bounds
+    if(addr >= sizeof(dump))
+    {
+        return 0xFF;
+    }
+
    return dump[addr];
 }

--- a/SPDAccessor/SPD5118Accessor_Linux.cpp
+++ b/SPDAccessor/SPD5118Accessor_Linux.cpp
@ -48,6 +48,12 @@ uint8_t SPD5118Accessor::at(uint16_t addr)
    {
        readEEPROM();
    }
+    // Prevent indexing out of bounds
+    if(addr >= sizeof(dump))
+    {
+        return 0xFF;
+    }
+
    return dump[addr];
 }