Initial Publication Date: Advisory Status: Advisory Severity: CVSS Base Score:Legacy ID
14 Dec 2015 Closed Low 3.8 SYM15-012
Symantec’s Endpoint Encryption (SEE) Client is susceptible to information disclosure if a user with access to a system hosting a client is able to force a client memory dump and access the content of the memory dump. This could result in unauthorized exposure of such things as stored credentials used by the client in communicating with components of the SEE management server (SEEMS).
Symantec was notified of an information disclosure isse in SEE clients. An authorized but unprivileged client user with SEE installed on their system who can force and access a memory dump of the SEE Framework Service, EACommunicatorSrv.exe, may have unauthorized access to credentials stored on the client such as the Domain user credentials protecting the SEEMS web service. This could potentially allow an unprivileged user to attempt unauthorized access to additional systems hosting other clients through web services. This access is dependent on the privileges afforded to the Domain user credentials.
Symantec product engineers fully addressed these issues in SEE 11.1.0. Recommend customer upgrade to the latest release of SEE to prevent any potential impact from this issue.
NOTE: SEEMS installation/security configuration documentation has always recommended Domain user credentials NOT have logon privileges.
Symantec is not aware of exploitation of or adverse customer impact from this issue.
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
Symantec thanks Julio Auto, Principal Information Security Engineer at Mayo Clinic, for reporting this and working with us as we addressed it.
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