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Arrow  Topic :

Sphider 1.3.4 Cross Site Scripting


Arrow  SecurityAlert : 4629
Arrow  CVE : CVE-2008-5211
Arrow  CWE : CWE-79
Arrow  SecurityRisk : Low  Security Risk Low  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Victim interaction required : No
Arrow  Exploit Available : Yes
Arrow  Credit : Christian Holler
Arrow  Published : 25.11.2008

Arrow  Affected Software : sphider:sphider:1.3.4



Arrow  Advisory Content :  

-----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1

Sphider Cross Site Scripting Vulnerability

Original release date: 2008-04-29

Last revised: 2008-05-06

Latest version:
http://users.own-hero.net/~decoder/advisories/sphider134-xss.txt

Source: Christian Holler <http://users.own-hero.net/~decoder/>

Systems Affected:

Sphider 1.3.4 (http://www.sphider.eu/) - A PHP Search Engine

Severity: Moderate

Overview:

Sphider is a search engine that has several features; one is a search
suggestion

feature as in "Did you mean xyz?" that corrects possible typos in your
search,

without however sanitizing this output. This feature is off by default,
but

turned on by many sites for convenience.

I. Description

The output of the suggestion feature in Sphider does output the complete
query

if there is at least one word in this query that has the script has found
a

possible correction for. This word is highlighted and the rest of the
search

query is returned as it is. However, this output is completely
unsanitized,

allowing HTML/Javascript to be included.

II. Impact

Depending on the site where this search script is deployed, this attack can
be

used to steal cookies from other users by tricking them into visiting a
given

URL.

III. Proof of concept

search.php?query=xsss%20%3Cscript%3Ealert('HELLO');%3C/script%3E&search=
1

where the first word in the query, "xsss" is a word that can be corrected
by

the search script. This generally depends on the indexed site(s) but such
a

word is very easy to find.

IV. Solution

Currently none, author has been informed.

Timeline:

2008-04-29: Author informed

2008-05-06: Vulnerability notice published

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Version: GnuPG v2.0.6 (GNU/Linux)

iD8DBQFIIMGYJQIKXnJyDxURAm44AJ9JbT+63Krpg95BZatccKal29DhkwCgoAE9

eNhj/JgskwQVKgmdnFBEVG0=

=DZrL

-----END PGP SIGNATURE-----



Arrow  References :

http://xforce.iss.net/xforce/xfdb/42240
http://www.securityfocus.com/bid/29074
http://www.securityfocus.com/archive/1/archive/1/491712/100/0/threaded
http://users.own-hero.net/~decoder/advisories/sphider134-xss.txt
http://secunia.com/advisories/30082




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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