[Full-disclosure] [PT-2009-05] CA Internet Security Suite Denial of Service Vulnerability

["Valery Marchuk" <tecklord@xxxxxxxxxxxxxx>]

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         (PT-2009-05) Positive Technologies Security Advisory

      CA Internet Security Suite Denial of Service Vulnerability

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---[ Affected Software ]

CA
    Internet Security Suite r3
    Internet Security Suite r4 prior to 9.0.0.184
    Internet Security Suite r5 prior to 10.0.0.217

    Product Link:
               http://shop.ca.com/malware/internet_security_suite.aspx


---[ Severity Rating ]

        Severity:       Medium
        Impact:         Denial of Service
        Attack Vector:  Local

        CVSS v2:
               Base Score:     4.9
               Vector:         (AV:L/AC:L/Au:N/C:N/I:N/A:C)

        CVE:   CVE-2009-0682



---[ Vulnerability Description ]

Positive Technologies Research Team has discovered a denial of service (DoS) 
vulnerability in CA Internet Security Suite.

The IOCTL handler in vetmonnt.sys does not properly validate buffer data 
associated with the Irp object, which allows local users to crash the 
system.

--[ Solution ]

Install latest versions of Internet Security Suite through automatic update 
functionality.
CA Internet Security Suite r3 - upgrade to Internet Security Suite r5 and 
apply the latest updates
CA Internet Security Suite r4 - update your software to version 9.0.0.184
CA Internet Security Suite r5 - update your software to version 10.0.0.217


--[ Disclosure Timeline ]

02/04/2009 - Vendor notified
02/04/2009 - Vendor response
02/04/2009 - Details sent
08/18/2009 - Vendor releases fixed version and details
08/25/2009 - Public disclosure


---[ Credits ]

This vulnerability was discovered by Nikita Tarakanov, Positive Technologies 
Research Team.


---[ References ]

http://en.securitylab.ru/lab/PT-2009-05
http://www.ptsecurity.ru/advisory.asp

Complete list of vulnerability reports published by Positive Technologies 
Research Team:

http://en.securitylab.ru/lab/
http://www.ptsecurity.ru/advisory.asp


---[ 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; the development of 
the Securitylab en.securitylab.ru 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, CIS countries, Baltic States, 
China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, 
Mexico, South African Republic, Thailand, Turkey and 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. 

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