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Message-ID: <4E00012DB137FD4B8BE6F841C69980FCF20366@GB-Lon-Exch01> Date: Sun, 4 Sep 2016 23:49:37 +0000 From: ZeroDay <zeroday@...textis.co.uk> To: "bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com> Subject: Unauthenticated Arbitrary Directory Dump in BMC BladeLogic Server Automation Title: Unauthenticated Arbitrary Directory Dump in BMC BladeLogic Server Automation Affected Software: BMC BladeLogic Server Automation for Linux <= 8.7 CVSSv2 Base Score: 7.8 (AV:N/AC:L/Au:N/C:C/I:N/A:N) Reference: CVE-2016-4322 Author: François Goichon of Context Information Security 1. Product Information =========================== BMC BladeLogic Server Automation (BSA) is an enterprise management solution, which allows its customers to quickly and securely provision, configure, patch, and maintain physical, virtual, and cloud servers. It is available for Linux and Windows and runs as a privileged network daemon on the supervised servers. For more information, please refer to http://www.bmcsoftware.com.au/it-solutions/bladelogic-server-automation.html 2. Vulnerability Summary =========================== A logic flaw in the authentication process of BSA's network daemon (rscd) could allow a remote attacker to execute several commands without providing a valid client certificate or valid credentials. Amongst the affected commands, the REMOTE_COPY_DIRECTORY feature performs a recursive dump of an arbitrary directory, with the daemon's privileges (root). This could allow an attacker to retrieve any file from the remote system, e.g. /etc/shadow. 3. Remediation Steps =========================== It is recommended to upgrade your BSA <= 8.7 for Linux installation by performing one of the following: - Apply BSA 8.7 Patch 3 - Upgrade to BSA >= 8.8 These downloads are available on BMC's Electronic Product Distribution website at http://www.bmc.com/available/epd.html 4. Disclosure Timeline =========================== 02/04/2016: Vendor notified 05/04/2016: Vulnerability confirmed 06/05/2016: Fix available for BSA 8.7 14/06/2016: BSA 8.8, containing a fix for CVE-2016-4322, is released 05/09/2016: Coordinated public disclosure Security Research - Context Information Security [Context Logo email]<http://www.contextis.com/> www.contextis.com<http://www.contextis.com/> [Twitter-logo-bw-24x24] <https://twitter.com/CTXIS> [LinkedIn-logo-bw-24x24] <http://www.linkedin.com/company/context-information-security?trk=biz-companies-cym> ABN: 73 148 201 727 | Certified to ISO/IEC 27001:2013 (BSI Certificate IS 553326) and ISO 9001:2008 (BSI Certificate FS 581360) ________________________________ The information contained in this email and any attachments may be legally privileged and confidential. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited. If you are not the intended recipient please contact us immediately. Any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the company. ________________________________ Content of type "text/html" skipped Download attachment "image001.png" of type "image/png" (3306 bytes) Download attachment "image002.gif" of type "image/gif" (1659 bytes) Download attachment "image003.gif" of type "image/gif" (1718 bytes) View attachment "cve-2016-4322-advisory.txt" of type "text/plain" (2043 bytes)
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