CVE-2014-125031 (published 2023-01-02T08:15Z)

A vulnerability was found in kirill2485 TekNet. It has been classified as problematic. Affected is an unknown function of the file pages/loggedin.php. The manipulation of the argument statusentery leads to cross site scripting. It is possible to launch the attack remotely. The name of the patch is 1c575340539f983333aa43fc58ecd76eb53e1816. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217176.

CVSS v3 base score: 6.1, MEDIUM (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Weakness information:
cwe_id: CWE-79
cwe_name: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
description: The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
extended_description: 
            Cross-site scripting (XSS) vulnerabilities occur when:
            
               Untrusted data enters a web application, typically from a web request.
               The web application dynamically generates a web page that contains this untrusted data.
               During page generation, the application does not prevent the data from containing content that is executable by a web browser, such as JavaScript, HTML tags, HTML attributes, mouse events, Flash, ActiveX, etc.
               A victim visits the generated web page through a web browser, which contains malicious script that was injected using the untrusted data.
               Since the script comes from a web page that was sent by the web server, the victim's web browser executes the malicious script in the context of the web server's domain.
               This effectively violates the intention of the web browser's same-origin policy, which states that scripts in one domain should not be able to access resources or run code in a different domain.
            
            There are three main kinds of XSS:
            
               
                  Type 1: Reflected XSS (or Non-Persistent) - 
         			The server reads data directly from the HTTP request and reflects it back in the HTTP response. Reflected XSS exploits occur when an attacker causes a victim to supply dangerous content to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. The most common mechanism for delivering malicious content is to include it as a parameter in a URL that is posted publicly or e-mailed directly to the victim. URLs constructed in this manner constitute the core of many phishing schemes, whereby an attacker convinces a victim to visit a URL that refers to a vulnerable site. After the site reflects the attacker's content back to the victim, the content is executed by the victim's browser.
               
                  Type 2: Stored XSS (or Persistent) - 
               The application stores dangerous data in a database, message forum, visitor log, or other trusted data store. At a later time, the dangerous data is subsequently read back into the application and included in dynamic content. From an attacker's perspective, the optimal place to inject malicious content is in an area that is displayed to either many users or particularly interesting users. Interesting users typically have elevated privileges in the application or interact with sensitive data that is valuable to the attacker. If one of these users executes malicious content, the attacker may be able to perform privileged operations on behalf of the user or gain access to sensitive data belonging to the user. For example, the attacker might inject XSS into a log message, which might not be handled properly when an administrator views the logs.
            
               
                  Type 0: DOM-Based XSS - 
               In DOM-based XSS, the client performs the injection of XSS into the page; in the other types, the server performs the injection. DOM-based XSS generally involves server-controlled, trusted script that is sent to the client, such as Javascript that performs sanity checks on a form before the user submits it. If the server-supplied script processes user-supplied data and then injects it back into the web page (such as with dynamic HTML), then DOM-based XSS is possible.
            
            
            Once the malicious script is injected, the attacker can perform a variety of malicious activities. The attacker could transfer private information, such as cookies that may include session information, from the victim's machine to the attacker. The attacker could send malicious requests to a web site on behalf of the victim, which could be especially dangerous to the site if the victim has administrator privileges to manage that site. Phishing attacks could be used to emulate trusted web sites and trick the victim into entering a password, allowing the attacker to compromise the victim's account on that web site. Finally, the script could exploit a vulnerability in the web browser itself possibly taking over the victim's machine, sometimes referred to as "drive-by hacking."
            In many cases, the attack can be launched without the victim even being aware of it. Even with careful users, attackers frequently use a variety of methods to encode the malicious portion of the attack, such as URL encoding or Unicode, so the request looks less suspicious.
         
         

Fix information:
repo_url: https://github.com/kirill2485/TekNet
commit_details: repo_url: https://github.com/kirill2485/TekNet
author: kirill2485
author_date: 2014-11-19 05:49:23+00:00
msg: Fixed an SQL injection vulnerability in loggedin.php
repository: repo_url: https://github.com/kirill2485/TekNet
repo_name: kirill2485/TekNet
description: TekNet Social Network
repo_language: CSS
owner: kirill2485
file_changes: filename: index.php
change_type: ModificationType.MODIFY
diff: @@ -9,7 +9,7 @@ if($email != null){
 
 <html lang="en" class="no-js">
 	<head>
-		<title>TekNet Beta Registration</title>
+		<title>Beta Registration</title>
 		<meta name="description" content="TekNet Beta registration" />
 		<link rel="shortcut icon" href="../favicon.ico"> 
 		<link rel="stylesheet" type="text/css" href="css/default.css" />
@@ -25,7 +25,9 @@ if($email != null){
 	<a href="#"><hr></a>
 			<header>
 					<div class="inner relative">
+						<img src="images/theteknet.png">
 <div style=height:20px; padding-top:50px;"></div>
+
 			<a id="menu-toggle" class="button dark" href="#""></i></a>
 			<nav id="navigation">
 				<ul id="main-menu">
@@ -40,12 +42,12 @@ if($email != null){
 			</nav>
 			<div class="clear"></div>
 		</div>
-				<h1>TekNet Beta Registration <span> Register to be one of the first beta users on our site</h1>	
+				<h1>Beta Registration <span> Register to be one of the first beta users on our site</h1>	
 			</header>
-			<section class="color-1">
 				<p class="text note-touch">Sign-ups are currrently closed. You may try using the demo version of the site by clicking "Sign in" at the top right corner, and using the provided demo account. Please enter your email and name to pre-register and receive updates on TekNet's progress.</p>
 				<p>
-				Please make sure you are over the age of 13, as it would be illegal for us to knowingly collect information from people under the age of 13. Registration is open to PAUSD students only. Scroll down for all of the FAQ's.
+		<br>
+					Please make sure you are over the age of 13, as it would be illegal for us to knowingly collect information from people under the age of 13. Registration is open to PAUSD students only. Scroll down for all of the FAQ's.
 				<p>
 <form method="get">
 
@@ -57,7 +59,6 @@ if($email != null){
 </form >
 
 <?php
-
 $email = $_GET["email"];
 $name = $_GET["name"];
 $position = strpos($email,"@palo-alto.edu");
@@ -67,7 +68,6 @@ if ($position==false && $email!=null){
 elseif($email==null){
     echo "Enter your @palo-alto.edu email and your name.";
 }
-
 else{
     echo "Gotcha, we will be contacting you at $email shortly. To unsubscribe, just send an email to support@theteknet.org with the word \"Unsubscribe\" in the subject line, and we will be more then happy to remove your email from recieving updates";
     
@@ -79,7 +79,10 @@ mysqli_query($con,"INSERT INTO userinfo (email, name) VALUES ('$email','$name')"
 			<section class="color-2">
 			<h1>What is TekNet?</h1>
 			TekNet is a social network created by a group of Gunn studends designed for ALL PAUSD students ages 13+. TekNet will help PAUSD students connect, make friends (especially new students), find common classes, and get help with homework.
+			<br>
+			
 			</section>
+			
 						<section class="color-3">
 			<h1>When is TekNet going to be released?</h1>
 			TekNet has no public release schedule at this time. TekNet's release depends on the demand of users that have pre-registered. If we receive at least 45 pre-registration requests, we will be released around late December to early January.

programming_language: PHP
filename: login.php
change_type: ModificationType.MODIFY
diff: @@ -15,9 +15,9 @@ session_start();
 			<!-- Top Navigation -->
 
 			<header>
-
+<a href="index.php"><img src="images/theteknet.png"></a>
 			<div class="clear"></div>
-				<h1>TekNet Login <span>Welcome back, please login</h1>	
+				<h1>Login <span>Welcome back, please login</h1>	
 			</header>
 			<section class="color-1">
 				<p class="text note-touch">Please enter your email and password. <br>To try out this site as a demo user, please login as email: jsmith@palo-alto.edu, password: demouser</p>

programming_language: PHP
filename: loggedin.php
change_type: ModificationType.MODIFY
diff: @@ -4,13 +4,16 @@
 <title>TekNet - Home</title>
 
 </head>
+
 			<?php
 include '../includeme.php';
 include '../getelement.php';
 include '../backendstuff/phplogin.php';
 
 ?>
+
 <header>
+	<center><img src="../images/theteknet.png"></center>
 				<?php 
 				echo "<h1>TekNet - Home  </h1> <span>Welcome back, $email </span>";
 				?>
@@ -34,9 +37,14 @@ $_SESSION['name'] = $name[0];
 
 $namestatus=$con->query("SELECT name,message,postnum FROM status ORDER BY postnum");
 $statusentery = $_POST[status];
+$position = strpos($statusentery,"<");
+if ($position === 0){
+	echo "Sorry, for security purposes we do not allow characters such as <";
+	exit;
+}
 if ($statusentery != null){
 if ($con->query("INSERT INTO status(message, name, date, postnum) VALUES('$statusentery', '$name[0]', now(), 2)") === TRUE) {
-    echo "Buzz posted";
+    echo "<script>document.location.href='http://www.theteknet.com'</script>";
 }
 else {
     echo "Error: " . $sql . "<br>" . $con->error;
@@ -73,4 +81,5 @@ echo $name[0];
 
 
 ?>
+<br>
 </body>
\ No newline at end of file

programming_language: PHP
filename: version.php
change_type: ModificationType.MODIFY
diff: @@ -1,3 +1,3 @@
 <html>
-	TheTekNet Version 0.05 Alpha
+	TheTekNet Version 0.09 Alpha -- Codename: Mentos
 </html>
\ No newline at end of file

programming_language: SQL