Secunia Security Advisory - Two vulnerabilities have been reported in EPiServer CMS, which can be exploited by malicious users to bypass certain security restrictions and by malicious people to conduct cross-site scripting attacks.
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TITLE:
EPiServer CMS Cross-Site Scripting and Security Bypass
Vulnerabilities
SECUNIA ADVISORY ID:
SA47910
VERIFY ADVISORY:
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http://secunia.com/advisories/47910/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47910
RELEASE DATE:
2012-02-06
DISCUSS ADVISORY:
http://secunia.com/advisories/47910/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/47910/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=47910
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DESCRIPTION:
Two vulnerabilities have been reported in EPiServer CMS, which can be
exploited by malicious users to bypass certain security restrictions
and by malicious people to conduct cross-site scripting attacks.
1) Certain unspecified input 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.
2) The vulnerability is caused due to an unspecified error and can be
exploited to gain administrative privileges.
Successful exploitation requires the "Edit mode" permission.
The vulnerability is reported in version 6.
SOLUTION:
Update to version 6 R2 released January 25th, 2012.
PROVIDED AND/OR DISCOVERED BY:
1) Reported by the vendor.
2) David Johansson.
ORIGINAL ADVISORY:
http://world.episerver.com/Blogs/Jens-N/Dates/2012/1/Security-vulnerability---Elevation-of-privilege/
http://world.episerver.com/Blogs/Shahid-Nawaz/Dates/2012/1/General-Hotfix-CMS-6-R2/
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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