ESA-2015-153 EMC SourceOne Email Supervisor Security Update for Multiple Security Vulnerabilities EMC Identifier:ESA-2015-153 CVE Identifier:CVE-2015-6843 CVE-2015-6844 CVE-2015-6845 CVE-2015-6846 Severity Rating: CVSS Base Score:See NVD (http://nvd.nist.gov/) for individual scores for each CVE Affected Products EMC Software: EMC SourceOne Email Supervisor versions prior to 7.2 Summary A security update for EMC SourceOne Email Supervisor to address various vulnerabilities. Details The security update to EMC SourceOne Email Supervisor addresses the following vulnerabilities: CVE-2015-6843 Improper Restriction of Excessive Authentication Attempts EMC SourceOne Email Supervisor Reviewer is vulnerable to brute-force password guessing. An attacker may exploit this vulnerability to launch brute force attacks against user passwords and compromise user accounts. CVSS v2 Base Score: 5.4 (AV:N/AC:H/Au:N/C:C/I:N/A:N) CVE-2015-6844 Reflected Cross Site Scripting EMC SourceOne Email Supervisor Reviewer is affected by a Reflected Cross-Site Scripting vulnerability. Attackers may potentially exploit this vulnerability to execute arbitrary HTML or Javascript code in the user’s browser session in the context of the affected website. CVSS v2 Base Score: 5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P) CVE-2015-6845 Session Hijacking Vulnerability EMC SourceOne Email Supervisor is vulnerable to session hijacking attacks. Attackers may guess the session ID's of other users since the entropy of a session ID is poor. CVSS v2 Base Score: 4.6 (AV:A/AC:H/Au:N/C:C/I:N/A:N) CVE-2015-6846 Use of hard-coded encryption keys EMC SourceOne Email Supervisor is vulnerable to reverse engineering attacks. Certain components in EMC SourceOne Email Supervisor when reverse engineered reveal encryption keys which are hard-coded and may be used by an attacker to compromise a system. CVSS v2 Base Score: 5.4 (AV:A/AC:M/Au:N/C:P/I:P/A:P) Resolution The following EMC SourceOne Email Supervisor release contains resolutions to these vulnerabilities: EMC SourceOne Email Supervisor version 7.2 EMC recommends all customers upgrade at the earliest opportunity. Link To Remedies EMC SourceOne Email Supervisor customers can download the required installation files from EMC Online Support (https://support.emc.com/ ). Read and use the information in this EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact EMC Software Technical Support at 1-877-534-2867. EMC Corporation distributes EMC Security Advisories, in order to bring to the attention of users of the affected EMC products, important security information. EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if EMC or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply. EMC Product Security Response Center security_alert@emc.com