National Cyber Awareness System

Vulnerability Summary for CVE-2006-0189

Overview

Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 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.

Impact

CVSS Severity (version 2.0 upgrade from v1.0):

CVSS Version 2 Metrics:

Solution

This is the vendor provided solution: "eStara has released Softphone version 3.0.1.47 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."}

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: XF

Name: estara-sip-sdp-bo(24090)

Hyperlink:http://xforce.iss.net/xforce/xfdb/24090

External Source: VUPEN

Name: ADV-2006-0167

Hyperlink:http://www.vupen.com/english/advisories/2006/0167

External Source: BID

Name: 16213

Hyperlink:http://www.securityfocus.com/bid/16213

External Source: BUGTRAQ

Name: 20060111 eStara Softphone SIP stack Buffer Overflow Vulnerability

Type: Advisory; Exploit

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/421596/100/0/threaded

External Source: SECTRACK

Name: 1015481

Hyperlink:http://securitytracker.com/id?1015481

External Source: SECUNIA

Name: 18410

Hyperlink:http://secunia.com/advisories/18410

External Source: OSVDB

Name: 22348

Hyperlink:http://www.osvdb.org/22348