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Last updated: 5/26/2016 9:35:57 PM

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Vulnerability Summary for CVE-2006-0189

Original release date: 01/13/2006
Last revised: 03/07/2011


Buffer overflow in eStara Softphone through allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 HIGH
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service


This is the vendor provided solution: "eStara has released Softphone version to resolve the buffer overflow demonstrated in parsing SDP with long "a=" lines. Licensed customers can download a new version via the email sent to them with purchase, customers testing may go back to http://www.estara.com/softphone/ to obtain a new free trial. Version information can be gathered by going to Help->About. eStara highly recommends all customers upgrade to avoid this issue. If there's further questions please email us: softphone@estara.com. eStara would like to thank ZwelL for bringing the issue to our attention."

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External Source: XF
Name: estara-sip-sdp-bo(24090)
External Source: BUGTRAQ
Name: 20060111 eStara Softphone SIP stack Buffer Overflow Vulnerability
Type: Advisory; Exploit
External Source: VUPEN
Name: ADV-2006-0167
External Source: SECTRACK
Name: 1015481
External Source: BID
Name: 16213

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