Initial Publication Date: Advisory Status: Advisory Severity: CVSS Base Score:Legacy ID
22 Jul 2013 Closed Medium 6.0 SYM13-007
Symantec's Encryption Management Server, previously PGP Universal Server, is susceptible to a cross-site scripting (XSS) issue, in the web management interface of the server. The XSS issue is in the Web Email Protection component. This issue could allow an authenticated Web Email Protection user to run arbitrary scripts in the context of the management console.
Symantec Encryption Management Server / Symantec PGP Universal Server
3.3.0 MP1 and prior
Symantec Encryption Management Server 3.3.0 MP2
Additional Product Information
Products Not Affected
Symantec Encryption Management Server
Symantec Encryption Management Server Web Email Protection XSS - Medium
Symantec Encryption Management Server Web Email Protection XSS
Symantec was notified of an XSS issue existing in the Symantec Encryption Management Server web management interface. The issue is in the Web Email Protection component. Web Email Protection does not properly sanitize user-submitted HTML, which could allow arbitrary script to run in the context of the management console. A malicious individual would require either an authenticated Web Email Protection account, or be able to entice an authenticated Web Email Protection user to submit a specifically-configured encrypted email attachment. Interaction with the attached code during decryption and viewing could trigger the arbitrary code. Successful exploitation could potentially result in disclosure of or unauthorized access to, sensitive information on the server.
Symantec Response Symantec validated this issue in earlier versions of Symantec PGP Universal Server/Encryption Management Server. Symantec Encryption Management Server 3.3.0 MP2 is not vulnerable to this issue.
Symantec is not aware of exploitation of or adverse customer impact from this issue.
Updates are available through customers'normal download locations.
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
Symantec credits John Carroll - tghc.co - @n0x00, for reporting and working with us on this issue.
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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