Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1034 Symantec Encryption Desktop for OS X World-Writable Files Insecure File Handling 25 June 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Symantec Encryption Desktop Publisher: Symantec Operating System: OS X Impact/Access: Modify Arbitrary Files -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-3431 Original Bulletin: http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20140620_00 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Advisories Relating to Symantec Products - Symantec Encryption Desktop for OS X World-Writable Files Insecure File Handling SYM14-011 June 20, 2014 Revisions None Severity CVSS2 Base Score Impact Exploitability CVSS2 Vector Symantec Encryption Desktop for OS X World-Writable Files Insecure File Handling 4.25 6.4 3.1 AV:L/AC:L/AU:S/C:P/I:P/A:P Overview Symantecs Encryption Desktop for OS X installs some temporary files with world-writable attributes during installation. In a multi-user environment, a malicious user could manipulate these world-writable files to read and write files or create files with another users permissions Product(s) Affected Product Version Build Solution Symantec PGP Desktop for OS X 10.0.x 10.1.x 10.2.x All Symantec Encryption Desktop 10.3.2 Maintenance Pack 2 Symantec Encryption Desktop Professional for OS X 10.3.0 10.3.1 10.3.2 All Symantec Encryption Desktop 10.3.2 Maintenance Pack 2 Details Symantec was notified of Symantec Encryption Desktop for OS X installing temporary files with world-writeable permissions. In a multi-user environment, a malicious user could manipulate these weak file permissions to create new files or change permissions on an existing file with another users permissions whenever the targeted user accesses Symantec Encryption Desktop. This could potentially allow an authorized but non-privileged user to gain unauthorized access to or create arbitrary files with another system users potentially privileged access. Symantec Response Symantec engineers verified these finding and have released an update in Symantec Encryption Desktop 10.3.2 maintenance pack 2 for OS X addressing the issue. Update information Customers may obtain Symantec Desktop Encryption maintenance updates through their normal Symantec support locations. Best Practices As part of normal best practices, Symantec strongly recommends: Restrict access to administration or management systems to privileged users. Disable remote access if not required or restrict it to trusted/authorized systems only. Where possible, limit exposure of application and web interfaces to trusted/internal networks 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 Aaron Sigel for reporting this and working with Symantec as we addressed it. References BID: Security Focus, http://www.securityfocus.com, has assigned a Bugtraq ID (BID) 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. CVE BID Description CVE-2014-3431 BID 68077 Symantec Encryption Desktop for OS X World-Writable Files Insecure File Handling 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 secure@symantec.com 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 secure@symantec.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. Symantec Vulnerability Response Policy Symantec Product Vulnerability Management PGP Key Symantec Product Vulnerability Management PGP Key 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 secure@symantec.com 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 secure@symantec.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. * Signature names may have been updated to comply with an updated IPS Signature naming convention. See http://www.symantec.com/business/support/index?page=content&id=TECH152794&key=54619&actp=LIST for more information. Last modified on: June 20, 2014 - --------------------------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 auscert@auscert.org.au 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: auscert@auscert.org.au 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 iQIVAwUBU6pk/xLndAQH1ShLAQLI4A/+K5up9IdKZ+PF4jJTqAv8RvMjlCx77BqL zNpqyXYcTJd7DPsUfRrLSd5yW/GLZ+OHQlKVAXlyXHrzCLpFbpLqvUwGM/w9pbK9 E5JsVR03b+9QmUVmR8PVencJp9KcQ3Tj3ic5222YenHm2ZqUgXnH8GJ7llS5JNvz OPqhnIvplwN0yRMYjzUc9yagafO4AH4KpF0jpIZOQIK6xlYmBtdF1WW+zr1IGx/w 6asLpSSrZESET4DtCK0xNfkrW2s/ScoYG9AiOxknC+UJaeesuTrrK9nR6Yf8PUXr Rqk21//VJ38XGUybjjeqmjHFS6QqqlVinQLSBy8FHBiO+e/aDGiO0lZYgoVKt4p7 3hTaK5Y7iCSscaAyKscDaTOMZHvRhNyO/3hVoiR57wDDX37Wu5dabvpr3ctl161V ZDs9Nz94RjsXNGeFd9qRqjo1T4Id4Gvwgknk/IPjvmVM+dfiL4BqyJL3HBMbS2CG XL9PE8/Mjjj9pRJ8qVgMDZ4XwkIH6hwOaZbf0wKZk+GLU6wQlcRjRmXB8krEDj8g dCmtvLpG4T60dCE3T90CociXiqavjS6AqXugM4aQ1bPXBnd3oShba57Wj54h8jmn FkDvamPJCAsndofNJrjzuAZTqAGRV679g0t7Jq45sAN0hHOqNY7NT0RkdhNCLIBm f7auZdIVqwI= =mGYk -----END PGP SIGNATURE-----