----------------------------------------------------------------------

The Secunia CSI 5.0 Beta - now available for testing
Find out more, take a free test drive, and share your opinion with us: 
http://secunia.com/blog/242 

----------------------------------------------------------------------

TITLE:
Citrix XenServer Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA45880

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45880/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45880

RELEASE DATE:
2011-09-08

DISCUSS ADVISORY:
http://secunia.com/advisories/45880/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/45880/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=45880

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Citrix has acknowledged a weakness and multiple vulnerabilities in
Citrix XenServer, which can be exploited by malicious, local users in
a guest virtual machine to cause a DoS (Denial of Service), by
malicious, local users to cause a DoS (Denial of Service) or gain
escalated privileges, and by malicious people to compromise a
vulnerable system.

For more information:
SA39080
SA43009
SA44037
SA44502
SA45746
SA45835

The weakness and vulnerabilities are reported in versions prior to
5.6 SP2.

SOLUTION:
Apply hotfixes.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

ORIGINAL ADVISORY:
http://support.citrix.com/article/CTX130325

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------