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TITLE:
ownCloud Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA48850

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48850/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48850

RELEASE DATE:
2012-04-19

DISCUSS ADVISORY:
http://secunia.com/advisories/48850/#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/48850/

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=48850

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:
Tobias Glemser has discovered a weakness and some vulnerabilities in
ownCloud, which can be exploited by malicious people to conduct
spoofing, cross-site scripting, and cross-site request forgery
attacks.

1) Input passed via the "redirect_url" parameter to index.php is not
properly verified before being used to redirect users. This can be
exploited to redirect a user to an arbitrary website e.g. when a user
clicks a specially crafted link to the affected script hosted on a
trusted domain.

2) Input passed via the "redirect_url" parameter to index.php and the
"files" parameter to files/ajax/download.php is not properly sanitised
before being returned to the user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.

3) The application allows users to perform certain actions via HTTP
requests without performing proper validity checks to verify the
requests. This can be exploited to e.g. conduct script insertion
attacks via editing contacts when a logged-in user visits a specially
crafted web page.

The weakness and the vulnerabilities are confirmed in version 3.0.2.
Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified. Do not browse untrusted sites or follow untrusted links
while being logged-in to the application.

PROVIDED AND/OR DISCOVERED BY:
Tobias Glemser, Tele-Consulting.

ORIGINAL ADVISORY:
Tele-Consulting:
http://www.tele-consulting.com/advisories/TC-SA-2012-01.txt

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/

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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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Please Note:
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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