DoS in POC - #1
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My CVE-2015-7547 POC POC The cause of this crash is a due to an unbounds check in processed data, assuming that at least four bytes of data are sent in the DNS request. This causes a DoS condition in the POC, potentially stopping users from using the POC in hostile environments. ```sh-4.2$ sudo python CVE-2015-7547-poc.py & [1] 32066 sh-4.2$ nc -v localhost 53 Connected with 127.0.0.1:37640 Connection to localhost 53 port [tcp/domain] succeeded! j [TCP] Total Data len recv 2 [TCP] Request1 len recv 27146 Traceback (most recent call last): File "CVE-2015-7547-poc.py", line 176, in <module> tcp_thread() File "CVE-2015-7547-poc.py", line 116, in tcp_thread id1 = struct.unpack('>H', data1[0:2])[0] struct.error: unpack requires a string argument of length 2 [1]+ Done(1) sudo python CVE-2015-7547-poc.py ```
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@secretsquirrel Have you requested a CVE? This looks serious! 😆 |
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@hdm Just doing my part. 👅 |
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My CVE-2015-7547 POC POC
The cause of this crash is a due to an unbounds check in processed data, assuming that at least four bytes of data are sent in the DNS request. This causes a DoS condition in the POC, potentially stopping users from using the POC in hostile environments.