PT-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: CVE-2009-0681

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 is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks.  Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit www.ptsecurity.com

*Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+

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