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» ESB-2011.0351 - [Win][UNIX/Linux] Symantec LiveUpdat...
ESB-2011.0351 - [Win][UNIX/Linux] Symantec LiveUpdate Administrator: Cross-site request forgery - Remote with user interaction
29 March 2011
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2011.0351 Symantec LiveUpdate Administrator Cross-Site Request Forgery 29 March 2011 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Symantec LiveUpdate Administrator Publisher: Symantec Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Cross-site Request Forgery -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2011-0545 Original Bulletin: http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2011&suid=20110321_00 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Advisories Relating to Symantec Products - Symantec LiveUpdate Administrator Cross-Site Request Forgery SYM11-005 March 21, 2011 Revision History None Severity Medium CVSS2 Base Score: 5.39 Impact 6.44, Exploitability 5.54 CVSS2 Vector: AV:A/AC:M/Au:N/C:P/I:P/A:P Exploit Publicly Available: No Overview Symantecs LiveUpdate Administrator (LUA) is susceptible to a cross-site request forgery vulnerability which could result in the execution of HTML or script code in the context of the admins browser. Product(s) Affected Product Version Solution Symantec LiveUpdate Administrator 126.96.36.199 and earlier Update to LUA 2.3 Details Symantecs LiveUpdate Administrator provides infrastructure support for content distribution. Symantec was notified of a cross-site request forgery vulnerability in the management login GUI page. The login interface fails to properly filter/validate variables in external input. In a normal installation, the affected management interface should not be accessible external to the network. An authorized but malicious network user or an unauthorized/unprivileged attacker able to gain access to the network and application management interface could attempt to exploit the issue. Exploitation of this vulnerability requires that once the malicious entry has been submitted to the event log, an authorized admin must sign on to the management interface GUI and access the event log page to trigger the exploit attempt. If successfully accomplished, exploitation could possibly result in unauthorized command execution potentially to include application compromise. Symantec Response Symantec engineers have verified this issue and released an update to address it. This issue is resolved in Symantec LiveUpdate Administrator version 2.3 which can be obtained by contacting your Symantec Technical Support. Symantec recommends all customers ensure the latest Symantec LiveUpdate Administrator 2.3 is installed to protect against threats of this nature. Symantec is not aware of any exploitation of, or adverse customer impact from this issue. Mitigation Symantec Security Response has created an IPS signature, 24077 - "HTTP Symantec LiveUpdate Administrator CSS" that detects and blocks attempts to exploit this issue. Signature is available through normal Symantec Security Updates. Best Practices As part of normal best practices, Symantec strongly recommends: * Restrict access to administration or management systems to privileged users. * Disable remote access or restrict to trusted/authorized systems only. * 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 Nikolas Sotiriu, nikolas sotiriu - it services, for reporting this issue and coordinating with us while Symantec resolved it. References BID: Security Focus, http://www.securityfocus.com, has assigned a Bugtraq ID (BID) 46856 to this issue for inclusion in the Security Focus vulnerability database. CVE: This issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security problems. The CVE initiative has assigned CVE-2011-0545. Symantec takes the security and proper functionality of our products very seriously. As founding members of the Organization for Internet Safety (OISafety), Symantec supports and follows responsible disclosure guidelines. Please contact firstname.lastname@example.org if you feel you have discovered a security issue in a Symantec product. A member of the Symantec Product Security team will contact you regarding your submission to coordinate any required response. Symantec strongly recommends using encrypted email for reporting vulnerability information to email@example.com. The Symantec Product Security PGP key can be found at the location below. Symantec has developed a Product Vulnerability Response document outlining the process we follow in addressing suspected vulnerabilities in our products. This document is available below. Copyright (c) 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 Product Security. Reprinting the whole or part of this alert in any medium other than electronically requires permission from firstname.lastname@example.org 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 Product Security, and email@example.com 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. Last modified on: March 21, 2011 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: email@example.com Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFNkUlD/iFOrG6YcBERAv+NAJ43xQ2KteCf2tAkDZQclk7ouNeY8gCggr81 eIo+rOMY74tfXZ5czEGDAMc= =k8yK -----END PGP SIGNATURE-----
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