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TITLE:
Citrix XenServer Information Disclosure and Denial of Service
Vulnerabilities

SECUNIA ADVISORY ID:
SA44510

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44510/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44510

RELEASE DATE:
2011-05-12

DISCUSS ADVISORY:
http://secunia.com/advisories/44510/#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/44510/

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=44510

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:
Some weaknesses and a security issue have been reported in Citrix
XenServer, which can be exploited by malicious, local users in a
guest virtual machine to cause a DoS (Denial of Service) and by
malicious, local users to disclose sensitive information.

1) Unspecified errors exists, which can be exploited to interrupt
normal operation of the hypervisor. No further information is
currently available.

Successful exploitation of this vulnerability requires administrative
privileges on a guest operating system.

2) A security issue exists due to insecure logging of storage media
credentials and can be exploited by local users to disclose logged
credentials.

SOLUTION:
Apply hotfixes.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
Citrix (CTX129208, CTX129228):
http://support.citrix.com/article/CTX129208
http://support.citrix.com/article/CTX129228

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.

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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.

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