AGEphone sipd.dll SIP packet buffer overflow

agephone-sip-bo (27944)

High Risk

Description:

AGEphone is vulnerable to a stack-based buffer overflow, caused by improper bounds checking of Session Initiation Protocol (SIP) packets by sipd.dll. By sending a specially-crafted SIP packet to an affected system, a remote attacker could overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score:	7
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.2
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of AGEphone (1.40 or later), available from the ageet Corporation Web site. See References.

References:

• ageet Corporation Web site: ageet Downloads.
• vuln.sg Vulnerability Research Advisory: AGEphone "sipd.dll" SIP Packet Handling Buffer Overflow.
• BID-19148: AGEphone SIP Packet Handling Buffer Overflow Vulnerability
• CVE-2006-4029: Stack-based buffer overflow in sipd.dll in AGEphone 1.24 and 1.38.1 allows remote attackers to execute arbitrary code via a crafted UDP SIP packet.
• SA21175: AGEphone sipd.dll SIP Datagram Handling Buffer Overflow
• SECTRACK ID: 1016577: AGEphone Buffer Overflow in `sipd.dll` Lets Remote Users Execute Arbitrary Code
• VUPEN/ADV-2006-2959: AGEphone SIP Packet Handling Remote Buffer Overflow and Code Execution Vulnerability

Platforms Affected:

• ageet AGEphone 1.24
• ageet AGEphone 1.38.1
• Microsoft Pocket PC 2003
• Microsoft Windows Mobile 5.0

Reported:

Jul 25, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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