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Merge pull request #1824 from chipitsine/master

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src/Cedar/Proto_OpenVPN.c: fix denial of service found by Cisco Talos
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Ilya Shipitsin 2023-04-17 00:22:03 +02:00 committed by GitHub
commit 82ce34fccb
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1 changed files with 1 additions and 1 deletions
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src/Cedar/Proto_OpenVPN.c
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@ -147,7 +147,7 @@ bool OvsProcessData(void *param, TCP_RAW_DATA *in, FIFO *out)
payload_size = READ_USHORT(FifoPtr(fifo)); payload_size = READ_USHORT(FifoPtr(fifo));
packet_size = payload_size + sizeof(USHORT); packet_size = payload_size + sizeof(USHORT);
if (payload_size == 0 || packet_size > sizeof(buf)) if (payload_size == 0 || payload_size > (sizeof(buf) - sizeof(USHORT)))
{ {
ret = false; ret = false;
Debug("OvsProcessData(): Invalid payload size: %u bytes\n", payload_size); Debug("OvsProcessData(): Invalid payload size: %u bytes\n", payload_size);