---------------------------------------------------------------------- (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. ---[ 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 ] 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 ] 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. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/