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Fix vuln OSV-2023-1150 #30

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Fix vuln OSV-2023-1150 #30

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5 changes: 5 additions & 0 deletions Packet++/src/PacketUtils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,11 @@ namespace pcpp
uint32_t localSum = 0;

// vec len is in bytes
if (vec[i].len > sizeof(vec[i].buffer))
{
PCPP_LOG_ERROR("Buffer overflow detected: vec[i].len exceeds buffer size");
return 0; // Return an invalid checksum
}
for (size_t j = 0; j < vec[i].len / 2; j++)
{
PCPP_LOG_DEBUG("Value to add = 0x" << std::uppercase << std::hex << vec[i].buffer[j]);
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