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TITLE:
Drupal String Overrides Module Two Script Insertion Vulnerabilities

SECUNIA ADVISORY ID:
SA46758

VERIFY ADVISORY:
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http://secunia.com/advisories/46758/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46758

RELEASE DATE:
2011-11-11

DISCUSS ADVISORY:
http://secunia.com/advisories/46758/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/46758/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=46758

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http://secunia.com/vulnerability_scanning/personal/
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DESCRIPTION:
Justin Klein Keane has discovered two vulnerabilities in the String
Overrides module for Drupal, which can be exploited by malicious
users to conduct script insertion attacks.

1) Input passed via e.g. the "string[0][replacement]" POST parameter
to index.php (when "q" is set to "admin/settings/stringoverrides")
when defining replacement strings 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.

2) An error due to the index.php (when "q" is set to
"admin/settings/stringoverrides/import") improperly verifying the
content of uploaded files when importing replacement strings 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.

Successful exploitation requires the "administer string overrides"
permission.

The vulnerabilities are confirmed in version 6.x-1.8. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Justin Klein Keane

ORIGINAL ADVISORY:
http://www.madirish.net/content/drupal-string-overrides-module-xss

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

DEEP LINKS:
Further details available in Customer Area:
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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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