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TITLE:
SquirrelMail Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA45197

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45197/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45197

RELEASE DATE:
2011-07-12

DISCUSS ADVISORY:
http://secunia.com/advisories/45197/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/45197/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45197

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 SquirrelMail, which
can be exploited by malicious users to conduct script insertion
attacks and by malicious people to conduct script insertion and
cross-site scripting attacks and bypass certain security
restrictions.

1) Certain input passed in style tags in messages is not properly
sanitised in functions/mime.php 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) Certain input passed in drop-down selection lists is not properly
sanitised in functions/options.php 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.

3) Certain input passed to the SquirrelSpell spellchecking feature
and the index order page 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.

4) The application allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the
requests. This can be exploited to e.g. disclose user passwords by
tricking a user into clicking a specially crafted link via
clickjacking.

The vulnerabilities are reported in version 1.4.21 and prior.

SOLUTION:
Fixed in the SVN repository.

PROVIDED AND/OR DISCOVERED BY:
1) Reported by the vendor

The vendor credits:
2, 3) Nicholas Carlini
4) Asbjorn Thorsen and Geir Hansen

ORIGINAL ADVISORY:
http://www.squirrelmail.org/security/issue/2011-07-10
http://www.squirrelmail.org/security/issue/2011-07-11
http://www.squirrelmail.org/security/issue/2011-07-12

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:
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