(PT-2009-11) Positive Technologies Security Advisory
SlySoft Multiple Products ElbyCDIO.sys Denial of Service
Affected Software
SlySoft
AnyDVD version 6.5.2.2 and previous
Virtual CloneDrive 5.4.2.3 and previous
CloneDVD 2.9.2.0 and previous
CloneCD 5.3.1.3 and previous
Product Link:
http://www.slysoft.com
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 6.0.2.0 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
AnyDVD:
Update AnyDVD to version 6.5.2.6.
CloneDVD:
Update CloneDVD to version 2.9.2.2.
Virtual CloneDrive:
Update Virtual CloneDrive to version 5.4.2.5.
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
03.10.2009 - Vendor released fixed version of Virtual CloneDrive
03.13.2009 - Vendor released fixed version of CloneDVD
03.13.2009 - Public disclosure
Credits
This vulnerability was discovered by Nikita Tarakanov, Positive Technologies Research Team.
References
http://en.securitylab.ru/lab/PT-2009-11
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
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