Thomson ST 2030 SIP Phone SIP packet denial of service

thomson-sippacket-dos (36286)

Medium Risk

Description:

Thomson ST 2030 SIP Phone running on firmware v1.52.1 is vulnerable to a denial of service. By sending a specially-crafted SIP message containing an empty packet, a remote attacker could cause the device to become unresponsive, resulting in a denial of service.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

• Full-Disclosure Mailing List, Tue Aug 28 2007 - 08:05:06 CDT: DOS vulnerability on Thomson SIP phone ST 2030 using an empty packet.
• Thomson Web site: Thomson SIP phone.
• BID-25464: Thomson SpeedTouch 2030 SIP Empty Message Remote Denial of Service Vulnerability
• CVE-2007-4753: The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via (1) an empty SIP message or (2) a SIP INVITE message with a malformed To header, different vectors than CVE-2007-4553.
• SA26587: Thomson SpeedTouch 2030 Denial of Service Vulnerabilities
• SECTRACK ID: 1018611: Thomson ST 2030 SIP Phone TO URI Processing Bug Lets Remote Users Deny Service
• SECTRACK ID: 1018616: Thomson ST 2030 SIP Phone Can Be Crashed By Remote Users Sending an Empty Packet

Platforms Affected:

• Thomson Thomson 2030 1.52.1

Reported:

Aug 28, 2007

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