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TITLE:
Microsoft SharePoint Cross-Site Scripting and Script Insertion
Vulnerabilities

SECUNIA ADVISORY ID:
SA45915

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45915/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45915

RELEASE DATE:
2011-09-13

DISCUSS ADVISORY:
http://secunia.com/advisories/45915/#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/45915/

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=45915

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:
Multiple vulnerabilities have been reported in Microsoft SharePoint,
which can be exploited by malicious users to conduct script insertion
attacks and by malicious people to conduct cross-site scripting
attacks.

1) Input passed via the URL is not properly sanitised within the
SharePoint Calendar 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.

2) Input passed to the SafeHTML function 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) Input passed to EditForm.aspx is not properly sanitised before
being used. This can be exploited to insert arbitrary HTML and script
code, which will be executed in a user's browser session in context of
an affected site when the malicious data is being viewed.

4) Input passed via Contact details 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.

5) Input passed via the URL 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.

SOLUTION:
Apply patches.

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

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Andrew Connell, Critical Path Training, LLC and David Feldman,
Raytheon.
2) Adi Cohen, IBM Rational Application Security.
3) Pedro Jimenez, ITT.
4) Seeker.
5) Jim LaValley, LaValley Consulting, LLC.

ORIGINAL ADVISORY:
MS11-074 (KB2493987, KB2494001, KB2494007, KB2494022, KB2508964,
KB2508965, KB2552998, KB2552999, KB2553001, KB2553002, KB2553003,
KB2553005, KB2560885, KB2566449, KB2566450, KB2566456, KB2566954,
KB2566958, KB2566960):
http://technet.microsoft.com/en-us/security/bulletin/ms11-074

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.

Subscribe:
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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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