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     (PT-2011-08) Positive Technologies Security Advisory

       Multiple vulnerabilities in Dlink DPH 150SE/E/F1

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---[ Vulnerable platform ]

  Dlink DPH 150s IP Phone
  Firmware version: FRU1.7.291.130 and earlier

  Link:
  http://www.dlink.ru/ru/products/8/1352.html


---[ Severity level ]

  Severity level:                High
  Impact:                        Multiple
  Access vector:                 Network exploitable
                
  CVSS v2:
    Base score:     9.7
    Vector:         (AV:N/AC:L/Au:N/C:P/I:C/A:C)

  CVE:   not assigned


---[ Platform description ]

Dlink DPH 150SE/E/F1 is a desktop IP phone.


---[ Vulnerability description ]

Positive Research Center has discovered multiple vulnerabilities in Dlink DPH 150SE/E/F1 IP phone.

1. A vulnerability exists in web management interface of Dlink DPH 150SE and allows an unauthenticated user to obtain device configuration file with all the settings including administrator's password. An attacker should set up a tftp/ftp server to receive configuration file to exploit the vulnerability.

2. A vulnerability exists in web management interface of Dlink DPH 150SE and allows an unauthenticated user to upload configuration file to the device.

3. A vulnerability exists in web management interface of Dlink DPH 150SE and allows an unauthenticated user to modify the message shown on the device LCD display.

4. A vulnerability exists in web management interface of Dlink DPH 150SE and allows an unauthenticated user to reboot device, causing temporary/permanent denial of service. 


--[ How to fix ]

Update your software up to the latest version.
http://ftp.dlink.ru/pub/VoIP/DPH-150SE_E_F1/Firmware/DPH-150SE_2a21V1_7_367_149T20110715114133(0715135102).z


---[ Advisory status ]

24.06.2011 - Vendor is notified
27.06.2011 - Vendor gets vulnerability details
20.07.2011 - Vendor releases fixed version and details
22.07.2011 - Public disclosure


--[ Credits ]

These vulnerabilities were detected by Alexander Zaitsev, Gleb Gritsai and Yuri Goltsev, Positive Research Center (Positive Technologies Company)


---[ References ]

http://en.securitylab.ru/lab/PT-2011-08

Reports on the vulnerabilities previously discovered by Positive Research Center:

http://www.ptsecurity.com/advisory1.aspx
http://en.securitylab.ru/lab/


---[ About Positive Technologies ]

Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations,
20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.