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PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities



PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities
PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities



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         (PT-2009-01) Positive Technologies Security Advisory

   PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities


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---[ Affected Software ]

        PGP Desktop 9.9.0 build 397

        Product Link:
http://www.pgp.com 


---[ Vulnerability Description ]

Positive Technologies Research Team has discovered several vulnerabilities 
in PGP Desktop.

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

Severity Rating:

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

        CVSS v2:
               Base Score:     4.9
               Temporal Score: 3.8
               Vector:         (AV:L/AC:L/Au:N/C:N/I:N/A:C/E:P/RL:O/RC:C)

        CVE:   CVE-2009-0681

2. The IOCTL handler in pgpwded.sys does not properly validate buffer data 
associated with the Irp object, which allows local users to crash the system 
or execute arbitrary code with SYSTEM privileges.

Severity Rating:

        Severity:       Medium
        Impact:         Priviliege Escalation
        Attack Vector:  Local

        CVSS v2:
               Base Score:     6.2
               Temporal Score: 4.9
               Vector:         (AV:L/AC:H/Au:N/C:C/I:C/A:C/E:P/RL:O/RC:C)

        CVE:   Not assigned

---[ Solution ]

Update to the latest product version: PGP Desktop 9.10
http://www.pgp.com 
https://pgp.custhelp.com/cgi-bin/pgp.cfg/php/enduser/std_adp.php?p_faqid=1014&p_topview=1


---[ Disclosure Timeline ]

02.04.2009 - Vendor notified
02.04.2008 - Vendor replied
02.04.2008 - Sent detailed information
04.02.2009 - Vendor released fixed versions
04.13.2009 - Public disclosure


---[ Credits ]

These vulnerabilities were discovered by Nikita Tarakanov, Positive 
Technologies Research Team.


---[ References ]

http://en.securitylab.ru/lab/PT-2009-01 
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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