Initial Publication Date: Advisory Status: Advisory Severity: CVSS Base Score:
1 Oct 2015 Closed High 7.9
Symantec NetBackup OpsCenter is an optional web based application that, if installed, is installed separately in a customer’s environment for advanced monitoring, alerting, and reporting capabilities. Symantec NetBackup OpsCenter is susceptible to a reflected cross-site scripting (XSS) in the web console that could result in unauthorized access to the application with the privileges of the affected user’s browser.
Symantec was notified of a reflected XSS in the optional Symantec NetBackup OpsCenter advanced monitoring, alerting, and reporting application console. XSS issues are the result of insufficient validation/sanitation of user input and server output. A successful exploitation of this issue is possible should a properly authenticated administrative user click on a maliciously-crafted link with a logged-in browser also being used to manage the OpsCenter console.
Cross-site scripting is a trust exploitation requiring enticing a previously authenticated user to click on a malicious URL. To be exposed to other than another authorized network user, an external attacker would need to successfully entice an authorized, privileged Symantec OpsCenter console user to visit a malicious web site or click on a malicious HTML link in an email in any attempts to take advantage of this issue.
In a normal installation, the Symantec NetBackup OpsCenter should not be externally accessible from the network environment. Any attempt to exploit this issue would require network access either by an authorized network user or an external attacker able to gain unauthorized access to a logged-in authorized user’s browser.
Symantec engineers verified this issue and have resolved it in Symantec NetBackup OpsCenter 7.7.1. Customers should upgrade to this release to avoid potential incidents of this nature.
Symantec is not aware of exploitation of or adverse customer impact from these issues.
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
Symantec would like to thank Guy Dahan for reporting this issue and coordinating with us as we resolved it.
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: The issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security problems.
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