SYM08-015_SFW_SecurityUpdateBypass

2008.08.20
Credit: Mike Prosser
Risk: High
Local: No
Remote: Yes
CWE: CWE-287


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

The attached is a signed version of the security advisory for Symantec Storage Foundation for Windows 5.x that was released today. If we can get the signature to verify, please post to bugtraq Regards <<SYM08-015_ SFW_SecurityUpdateBypass.txt>> ---------------------------------------- -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Symantec Product Security/Vulnerability Management Team Symantec takes the security of our products seriously as a responsible disclosure company. You can view our response policies at http://www.symantec.com/security. We will work directly with anyone who believes they have found a security issue in a Symantec product to validate the problem and coordinate any response deemed necessary. Please contact secure (at) symantec (dot) com [email concealed] concerning security issues with Symantec products. -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.0.6 (Build 6060) iQEVAwUBSKR0PF1lCKGx9Sr8AQh1/gf/Y+AWFzHBxOGQwoQTAko7kxLQVf7jeC3d O0jQrpLN7VMgwtu20P9+Zxan0C/pmkCnTu/LnjLJZkSMzZzqX00AXTYV4dM093LH 6ySn5jkB7JbNAUFCjvF/AOUuHu6uCLxoN1lE1uqg+gr9AQ3jwCFY05t+lsmnhNke gbJQ7uPlsPavu9EtXyXZ/JRbfXZYJLlChyeVm9raUWknUGlEo3M8eNVS2D/WItdv o5dsydaOjpr8sqC5Tq0FpTqs+PWh5c/qopyTiwbtLcJ99WuANh6K2L1adAxSEWLu U09m0RVv4RsssLOqVJWgEFNhchch4O/OTG1Z7TCIAGF6rbIbSAW8RQ== =pdAD -----END PGP SIGNATURE----- -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Symantec Security Advisory SYM08-015 14 Aug, 2008 Veritas Storage Foundation for Windows Volume Manager Scheduler Service for Windows Security Update Circumvention Revision History None Severity Medium Remote Access Yes, network access required Local Access No Authentication Required No Exploit publicly available No Overview It is possible to circumvent the security patch that resolved a previously identified authentication bypass, remote code execution vulnerability in the Veritas Storage Foundation for Windows v5.0 Volume Manager Scheduler Service. Successful exploitation could result in potential compromise of the targeted system. Product(s) Affected Product Version Solution(s) Veritas Storage Foundation for Windows 5.0, 5.0 RP1a, 5.1 http://entsupport.symantec.com/docs/306386 Note: Only those versions identified above are affected by this issue. Details 3Com Zero Day Initiative, notified Symantec of a vector that can allow a malicious user to circumvent the security update for an authentication bypass vulnerability previously reported in the Veritas Storage Foundation for Windows Scheduler Service, http://www.symantec.com/avcenter/security/Content/2007.06.01.html. The Scheduler Service server, introduced in Veritas Storage Foundation for Windows v5.0, listens for incoming scheduling messages from client systems. An attacker with network access who could connect directly to the Scheduler Service socket could bypass the security update to the previously reported issue. By properly manipulating this vector, the attacker has the potential to add arbitrary commands to the registry that, if properly constructed, would be executed on the targeted system during normal scheduled runs. Symantec Response Symantec engineers have verified and resolved this issue in the Veritas Storage Foundation for Windows versions and builds identified above. Symantec recommends customers apply the latest product update available for their supported product versions to enhance their security posture and protect against potential security threats of this nature. Symantec knows of no exploitation of or adverse customer impact from this issue. The patches listed above for affected product/version are available from the following location: http://entsupport.symantec.com/docs/306386 Best Practices As part of normal best practices, Symantec strongly recommends: * Restrict access to administration or management systems to privileged users. * Restrict remote access, if required, to trusted/authorized systems only. * Run under the principle of least privilege where possible to limit the impact of exploit by threats. * Keep all operating systems and applications updated with the latest vendor patches. * Follow a multi-layered approach to security. Run both firewall and anti-malware applications, at a minimum, to provide multiple points of detection and protection to both inbound and outbound threats. * Deploy network and host-based intrusion detection systems to monitor network traffic for signs of anomalous or suspicious activity. This may aid in detection of attacks or malicious activity related to exploitation of latent vulnerabilities Credit: Symantec would like to thank Tenable Security working through 3Com ZDI for reporting this issue and for providing coordination while Symantec resolved it. References: SecurityFocus, http://www.securityfocus.com, has assigned a Bugtraq ID (BID), 30596 to this issue for inclusion in the SecurityFocus vulnerability data base. The BID can be found at http://www.securityfocus.com/bid/30596 This issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security problems. A CVE Candidate name has be requested from the Common Vulnerabilities and Exposures (CVE) initiative for this issue. This advisory will be revised accordingly upon receipt of the CVE Candidate name. - ---------------------------------------------- Copyright (c) 2008 by Symantec Corp. Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure (at) symantec (dot) com. [email concealed] Disclaimer The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. Symantec, Symantec products, Symantec Security Response, and secure (at) symantec (dot) com [email concealed] are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.0.6 (Build 6060) iQEVAwUBSKRzHF1lCKGx9Sr8AQjTowf+IEePNLsThJ2S3ogsT/lRrTlbMMNl8NC+ yJTodVDxSlkNwaS0JsoFSHfQbv3j/LGoalaeMyWCU3pn/lTAtnMLsJuR+gC2h5i7 2QG4+9yOuOWruV3ofBruSoCb9oDh8ntxllE3WAeN8lumrN1KK45lDi8e6Th70ZpQ 9c81mf32LDdp0lpd1osJco/aXUfu4yGJABOuLJyR1Raqpl8kgBOtOoZHSn4NXr+5 63pi6S02ZECstECEv3D72CjGUygsF+rIfkfQfjvkz59KpbAHm716us+sV7JmXRWM Ux2EdEeODLC0XIQvKgsUXbFnptqSGIZf6cd4/5NgMhaklUBi+c3dMQ== =Jo4z -----END PGP SIGNATURE-----

References:

http://seer.entsupport.symantec.com/docs/306386.htm
http://securitytracker.com/id?1020699
http://secunia.com/advisories/31486


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