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[Suspected Spam][PT-2009-11] SlySoft Multiple Products ElbyCDIO.sys Denial of Service


        (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 system.

---[ 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 portal.

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