{"id":76162,"date":"2021-12-17T17:32:27","date_gmt":"2021-12-17T14:32:27","guid":{"rendered":"https:\/\/gibq-eg.com\/?p=76162"},"modified":"2022-09-02T13:55:06","modified_gmt":"2022-09-02T10:55:06","slug":"security-code-review-for-net-sherif-koussa-owasp","status":"publish","type":"post","link":"https:\/\/gibq-eg.com\/?p=76162","title":{"rendered":"Security Code Review for  NET Sherif Koussa OWASP Ottawa"},"content":{"rendered":"<div id=\"toc\" style=\"background: #f9f9f9;border: 1px solid #aaa;margin-bottom: 1em;padding: 1em;width: 350px\">\n<p class=\"toctitle\" style=\"font-weight: 700;text-align: center\">Content<\/p>\n<ul class=\"toc_list\">\n<li><a href=\"#toc-0\">#9: Using Components with Known Vulnerabilities<\/a><\/li>\n<li><a href=\"#toc-1\">User authentication management<\/a><\/li>\n<li><a href=\"#toc-2\">OWASP CODE REVIEW GUIDE<\/a><\/li>\n<li><a href=\"#toc-3\">#5: Broken Access Control<\/a><\/li>\n<li><a href=\"#toc-4\">What\u2019s new in the 2021 OWASP Top10?<\/a><\/li>\n<\/ul>\n<\/div>\n<p>At a high level, we plan to perform a level of data normalization; however, we will keep a version of the raw data contributed for future analysis. We will analyze the CWE distribution of the datasets and potentially reclassify some CWEs to consolidate them into larger buckets. We will carefully document all normalization actions taken so it is clear what has been done. Do not trust any input that could be modified by the user when it comes to working out what that user can do.<\/p>\n<p><img class='aligncenter' style='margin-left:auto;margin-right:auto' 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\" width=\"302px\" alt=\"owasp top 9\" \/><\/p>\n<p>Broken Access Control \u2013 Present in nearly one in 25 applications OWASP tested. The Open Web Application Security Project is an industry non-profit that is dedicated to promoting security across the web. Every few years, they create an updated list of the Top 10 Web Application Vulnerabilities. HTTP headers can add an additional layer of security and help you detect certain attacks.<\/p>\n<h2 id=\"toc-0\">#9: Using Components with Known Vulnerabilities<\/h2>\n<p>The primary goal is to identify and review various inputs from all untrusted data sources and validate outputs as well. By validating the input, you can ensure that your application handles the untrusted input appropriately so that potentially malicious input is not used to attack the  application..<\/p>\n<p><img class='aligncenter' style='margin-left:auto;margin-right:auto' src=\"https:\/\/remotemode.net\/wp-content\/uploads\/2022\/03\/effective-virtual-meetings-1.jpg\" width=\"301px\" alt=\"owasp top 9\" \/><\/p>\n<p>If the answer to one of these two questions is no, you may have an issue. Why bothering with including cool security features in your web app when, once released, they\u2019re either disabled or incorrectly configured? It\u2019s like installing big security bolts to your front door and then leaving the door open. While collecting vintage items is a great hobby, relying on legacy protocols and cryptographic algorithms just won\u2019t do in cybersecurity.<\/p>\n<h2 id=\"toc-1\">User authentication management<\/h2>\n<p>Implement DAST and SCA scans to detect and remove issues with implementation errors before code is deployed. Application security testing can reveal injection flaws and suggest remediation techniques such as stripping special characters from user input or writing parameterized SQL queries.<\/p>\n<ul>\n<li>Having a structured threat modeling process in place helps to detect, understand, and communicate threats and mitigations to protect the application assets.<\/li>\n<li>The inspection rate is the rate of coverage a code reviewer can cover per unit of time.<\/li>\n<li>We will analyze the CWE distribution of the datasets and potentially reclassify some CWEs to consolidate them into larger buckets.<\/li>\n<\/ul>\n<p>Unused ports, services, pages, accounts, or privileges are security hazards that increase your attack surface. As proverb attributed to Aristotle says, \u201cwell begun is half done.\u201d  This vulnerability is one you have to prevent at a very early stage of the development process. This security incident was one of the largest data breaches in history, leaking more than 11 million offshore financial records . One of the identified possible attack vectors was an SQL injection flaw. This just goes to show that when an injection hits, it can hit very hard and have devastating results for those involved.<\/p>\n<h2 id=\"toc-2\">OWASP CODE REVIEW GUIDE<\/h2>\n<p>Preventing this type of attack mostly comes down to developer education and properly-configured XML parsers. Close to our hearts here at Auth0 is broken authentication, which OWASP acknowledges as easily exploitable with extreme damage potential&#8230; In this case, the values can be escaped and sanitized by the database library, before they are included in the SQL statement. <a href=\"https:\/\/remotemode.net\/become-a-java-developer-se-9\/owasp-top-10\/\">owasp top 10 java<\/a> This way the SQL statement cannot be malformed in such a way that it can do damage or expose data. The list also introduces two categories which were decidedly important, according to community surveys conducted by security researchers. Compared to 2017, these recent changes are strictly focused on the cause of a particular vulnerability, and not on how it is executed.<\/p>\n<p>A secure code review might reveal an array of security risks and vulnerabilities. It is important to identify, evaluate, mitigate, and report these security vulnerabilities in the system and the software that runs on them. A major part of a secure code review is to analyze the attack surface of the software.<\/p>\n<h2 id=\"toc-3\">#5: Broken Access Control<\/h2>\n<p>Thus, an attacker will be able to manipulate the serialized data to include malicious input into the application code to increase the attack surface. Facebook had a brief taste of what could happen when a broken access control vulnerability is discovered. An independent security researcher figured out that a malicious user could add himself as an administrator of any Facebook Business Page and deny access to the legitimate page manager or admin. Luckily for Facebook, nothing happened <a href=\"https:\/\/remotemode.net\/\">https:\/\/remotemode.net\/<\/a> at the time and the issue was immediately fixed \u2014 but it could have been a disaster if it had been discovered by someone less scrupulous. With cross-site scripting, attackers take advantage of APIs and DOM manipulation to retrieve data from or send commands to your application. Cross-site scripting widens the attack surface for threat actors, enabling them to hijack user accounts, access browser histories, spread Trojans and worms, control browsers remotely, and more.<\/p>\n<ul>\n<li>This license allows us to ensure that this knowledge remains free and open while encouraging contribution and authorship.<\/li>\n<li>By default, the user who has these capabilities is called MxAdmin and has the Administrator role.<\/li>\n<li>With broken access control flaws, unauthenticated or unauthorized users may have access to sensitive files and systems, or even user privilege settings.<\/li>\n<li>Rather you can perform a code review as the development progresses.<\/li>\n<li>Therefore, it is highly crucial to implement the least privilege access model.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Content #9: Using Components with Known Vulnerabilities User authentication management OWASP CODE REVIEW GUIDE #5: Broken Access Control What\u2019s new in the 2021 OWASP Top10? At a high level, we plan to perform a level of data normalization; however, we&hellip;<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"post_series":[],"_links":{"self":[{"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/posts\/76162"}],"collection":[{"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=76162"}],"version-history":[{"count":1,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/posts\/76162\/revisions"}],"predecessor-version":[{"id":76163,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=\/wp\/v2\/posts\/76162\/revisions\/76163"}],"wp:attachment":[{"href":"https:\/\/gibq-eg.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=76162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=76162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=76162"},{"taxonomy":"post_series","embeddable":true,"href":"https:\/\/gibq-eg.com\/index.php?rest_route=%2Fwp%2Fv2%2Fpost_series&post=76162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}