Guestbook Scripts PHP 1.5 – Multiple Vulnerabilities
Title: ====== GuestBook Scripts PHP v1.5 - Multiple Web Vulnerabilites Date: ===== 2012-06-11 References: =========== http://www.vulnerability-lab.com/get_content.php?id=601 VL-ID: ===== 601 Common Vulnerability Scoring System: ==================================== 7.5 Introduction: ============= GuestBook Script PHP is a script that is very easy to install, administer and use on your website. Visitors to your website can leave comments and feedback. Also you can use it for testimonials. Features of GuestBook Script PHP: password protected administrator page converts easily to any language full control over the visual style simple one step installation easy to place on your webpage - copy and paste a single line of code select only the fields that you want to appear on the GuestBook form ability to set mandatory(required) fields on the GuestBook form each comment poster will be able to upload own photo (icon/avatar) rating stars option for the feedback emoticons support with show/hide option limit the number of characters in the comment area set the number of comments per page sort the order of entries create a list of words that will be banned from the GuestBook create a list of IP addresses that will be banned from using the GuestBook prevention of HTML and javascript injections choose between two types of captcha antispam code - simple and reCaptcha 100% stop spam by using the reCaptcha image different captcha image themes to suit your website colors ability to approve comments/feedback before they are viewed publicly edit email address where all new entries notifications will be sent to option to send thank you message to the commenter after posting RSS Feed validated by W3C full source code supplied Requirements: PHP 4.3 or higher and MySQL 3 or higher running on your webserver. Current stable version of GuestBook Script PHP is 1.5 ( Copy of the Vendor Homepage: http://www.guestbookscripts.com ) Abstract: ========= The Vulnerability Laboratory Research Team discovered multiple different web vulnerabilites in GuestBook Scripts PHP 1.5 CMS. Report-Timeline: ================ 2012-06-11: Public or Non-Public Disclosure Status: ======== Published Exploitation-Technique: ======================= Remote Severity: ========= High Details: ======== 1.1 Multiple SQL Injection vulnerabilities are detected in the GuestBook Scripts PHP 1.5 Content Management System. The vulnerability allows an attacker (remote) or local low privileged user account to inject/execute own sql commands on the affected application dbms without user inter action. Successful exploitation of the vulnerability results in dbms & application compromise. The vulnerabilities are located in the guestbook.php or admin.php files and the bound parameters p, orderType & orderBy. The sql injection vulnerabilities can be exploited by remote attackers without user inter action & without privileged user account. Vulnerable File(s): [+] guestbook.php [+] admin.php Vulnerable Parameter(s): [+] orderType [+] p [+] orderBy 1.2 Multiple non persistent cross site scripting vulnerabilities are detected in the GuestBook Scripts PHP 1.5 Content Management System. The vulnerability allows remote attackers to hijack website customer, moderator or admin sessions with high required user inter action or local low privileged user account. The vulnerabilities are located in the admin.php file with the bound vulnerable search, p & ordertype parameters. Successful exploitation can result in account steal, phishing & client-side content request manipulation. Vulnerable File(s): [+] admin.php Vulnerable Parameter(s): [+] search [+] p [+] orderType Proof of Concept: ================= 1.1 The SQL Injection vulnerabilities can be exploited by remote attackers with and without privileged user account. User inter action is not required for exploitation. For demonstration or reproduce ... http://127.0.0.1:80/cms/guestbook.php?p=[SQL-INJECTION] http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=&orderBy=[SQL-INJECTION] http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[SQL-INJECTION] 1.2 The persistent vulnerabilities can be exploited by remote attackers without privileged user account & with low required user inter action. For demonstration or reproduce ... http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=&orderBy=[CROSS SITE SCrIPTING] http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[ASC/DESC]&search=[CROSS SITE SCrIPTING] http://127.0.0.1:80/cms/guestbook/admin.php?act=comments&orderType=[CROSS SITE SCrIPTING] Risk: ===== 1.1 The security risk of the sql injection vulnerabilities are estimated as high. 1.2 The security risk of the input validation vulnerabilities are estiamted as low(+) Credits: ======== Vulnerability Laboratory [Research Team] - snup (snup@vulnerability-lab.com) [http://snup1.blogspot.com] Disclaimer: =========== The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. 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