[dns-operations] ShellShock exploit through the DNS

P Vixie paul at redbarn.org
Tue Oct 14 11:17:11 UTC 2014

This seems bogus to me.

assert(0==getnameinfo((struct sockaddr *)&sa, sizeof sa,
host, sizeof host, NULL, 0, NI_NAMEREQD));

printf("Lookup result: %s\n\n", host); 

assert(setenv("REMOTE_HOST",host,1) == 0);

Who does this? Where, in the actual world, is code deployed that does what this supposed PoC does? Isn't it just a rigged demo?

Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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