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Fix Vulnerability: CVE-2023-22325 TALOS-2023-1736

SoftEther VPN DCRegister DDNS_RPC_MAX_RECV_SIZE denial of service vulnerability
https://www.softether.org/9-about/News/904-SEVPN202301
https://jvn.jp/en/jp/JVN64316789/
This commit is contained in:
Daiyuu Nobori
2023-09-28 18:26:17 +09:00
parent b8e542105f
commit c49e462ed1
3 changed files with 8 additions and 2 deletions

View File

@ -3114,6 +3114,10 @@ void AdjustBufSize(BUF *b, UINT new_size)
while (b->SizeReserved < new_size)
{
if (b->SizeReserved > 0x7FFFFFFF)
{
AbortExitEx("AdjustBufSize(): too large buffer size");
}
b->SizeReserved = b->SizeReserved * 2;
}
b->Buf = ReAlloc(b->Buf, b->SizeReserved);