[Suspected Spam][PT-2009-11] SlySoft Multiple Products ElbyCDIO.sys Denial of Service Mar 12 2009 05:11PM
Valery Marchuk (tecklord securitylab ru)

(PT-2009-11) Positive Technologies Security Advisory

SlySoft Multiple Products ElbyCDIO.sys Denial of Service


---[ Affected Software ]

AnyDVD version and previous
Virtual CloneDrive and previous
CloneDVD and previous
CloneCD and previous

Product Link:

---[ Severity Rating ]

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

CVSS v2:
Base Score: 4.7
Temporal Score: 3.7
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:C/E:P/RL:O/RC:C)

CVE: CVE-2009-0824

---[ Software Description ]

SlySoft AnyDVD is capable of removing unwanted movie features, including
subtitles and prohibition messages such as copyright and FBI warnings. It
also allows you to launch an external application whenever you insert or
remove a disc, or prevent 'PC-friendly' software from automatically
launching when you insert a video DVD.

---[ Vulnerability Description ]

Positive Technologies Research Team has discovered multiple memory
corruption vulnerabilities in SlySoft products.

The IOCTL handler in ElbyCDIO.sys and earlier, shipped with AnyDVD,
Virtual CloneDrive, CloneDVD and CloneCD, uses the METHOD_NEITHER
communication method for IOCTLs and does not properly validate buffer data
associated with the Irp object, which allows local users to crash the

---[ Solution ]
Update AnyDVD to version

---[ Disclosure Timeline ]

02.11.2009 - Vendor notified
02.11.2009 - Vendor replied
02.12.2009 - Sent detailed information
03.06.2009 - Vendor released fixed version of AnyDVD
03.12.2009 - Public disclosure

---[ Credits ]

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

---[ References ]


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


---[ 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

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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