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AUSCERT External Security Bulletin Redistribution
ESB-2014.2501
Security Advisories Relating to Symantec Products - Symantec
Deployment Solution AClient Memory Overwrite
23 December 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec Deployment Solution
Publisher: Symantec
Operating System: Windows XP
Windows Server 2003
Impact/Access: Increased Privileges -- Existing Account
Resolution: Mitigation
CVE Names: CVE-2014-7286
Original Bulletin:
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20141219_00
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Security Advisories Relating to Symantec Products - Symantec Deployment
Solution AClient Memory Overwrite
SYM14-017
December 19, 2014
Revisions
None
Severity
CVSS2 Base Score Impact Exploitability CVSS2 Vector
Symantec Deployment Solution Memory Overwrite - Medium
4.3 6.4 3.1 AV:L/AC:L/Au:S/C:P/I:P/A:P
Exploit Publicly Available: No
Overview
An arbitrary memory overwrite vulnerability exists in a Symantec Deployment
Solution agent allowing a local and authorized malicious user to potentially
elevate privileges on the local system. This vulnerability applies to Windows
XP (SP3) or Windows Server 2003 (SP2) only.
Affected Products
Product Version Build Solution(s)
Symantec Deployment Solution 6.9 and prior All Use DAgent and disable use of AClient
(See mitigation URL below for more
information)
Details
A Symantec Deployment Solution agent driver, AClient, is susceptible to a
buffer overflow resulting from a malicious user with local access being able
to potentially overwrite memory, possibly resulting in an escalation of
privilege on the system.
NOTE: This issue can only be exploited on Windows XP and Windows Server 2003
as newer Windows operating systems have different verification methodologies
and so are not impacted by this issue.
Successful exploitation could potentially allow a local user to gain
unauthorized access to resources on the targeted system, interfere with
communications between the client and server or, disrupt or modify the
capability of the management server to effectively monitor and manage the
client system.
Symantec Response
Symantec engineers have reviewed and validated this issue as impacting
versions of Deployment Solution 6.9 on Windows XP and Windows Server 2003
only.
Symantec recommends customers disable use of Deployment Solution 6.9 AClient
and enable the DAgent.
Symantec is not aware of exploitation of or adverse customer impact from this
issue.
Mitigation Information
Please refer to Knowledge Base article, DOC7993, Arbitrary Write Privilege
Escalation in Altiris AClient agent for more information.
Best Practices
As part of normal best practices, Symantec strongly recommends that customers:
* Restrict access of 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 thanks Parvez Anwar (@parvezghh) for reporting this issue and for
working with us as we resolved the issue.
References
BID: 71727
CVE: The issue is a candidate for inclusion in the CVE list
(http://cve.mitre.org), which standardizes names for security problems.
CVE BID Description
CVE-2014-7286 BID 71727 Symantec Deployment Solution
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) 2014 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: December 19, 2014
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