[Positive Technologies SA 2009-01] PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities

     (PT-2009-01) Positive Technologies Security Advisory

PGP Desktop Pgpdisk.sys And Pgpwded.sys Multiple Vulnerabilities

—[ 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.