owasp top ten vulnerabilities

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Analysis and Prevention of web stored vulnerabilities (file name detection vulnerabilities)

This article provides a detailed analysis of web memory vulnerabilities and its principles and prevention methods (file name detection vulnerabilities). For more information, see the previous article: The backend obtains the server variables, many of which are passed by the client. It is no different from the common get and post methods. The following describes common vulnerability codes. 1. check the

About PHP vulnerabilities and how to prevent PHP vulnerabilities?

There are only a few types of vulnerabilities, such as XSS, SQL injection, command execution, upload vulnerability, local inclusion, remote inclusion, permission bypass, information disclosure, cookie forgery, CSRF (cross-site request), and so on. These vulnerabilities are not just for the PHP language, this article simply describes how PHP effectively prevents these vu

Knowledge vulnerabilities are not terrible. What is terrible is human vulnerabilities.

Knowledge vulnerabilities are not terrible. What is terrible is human vulnerabilities. Today, I once again showed the vulnerability. It is actually about MVC. I thought I had learned the design pattern and explored its connotation. Therefore, it is entirely wishful thinking to understand MVC. Ah, it hurts. Fortunately, our teacher asked me to talk to me about this matter tonight. Otherwise, I guess I (we)

Using Fiddler's X5s plugin to find XSS vulnerabilities

The Crosssite Scripting (cross-site scripting attack) in the OWASP Top 10 security threat allows an attacker to inject malicious script into the Web site through a browser. This vulnerability often occurs in Web applications where user input is required, and if the site has an XSS vulnerability, an attacker could send a malicious script to the user browsing the site, and can also exploit the vulnerability to steal SessionID, which is used to hijack th

About PHP vulnerabilities and how to prevent PHP vulnerabilities?

Vulnerabilities include XSS, SQL injection, command execution, upload vulnerabilities, local inclusion, remote inclusion, Permission Bypass, information leakage, Cookie forgery, and csrf (cross-site request. These vulnerabilities are not only for PHP, but also for how PHP effectively prevents them. 1. XSS + SQL injection (detailed introduction to XSS attacks) XSS

Common PHP vulnerabilities: Injection Vulnerabilities

Common PHP vulnerabilities: Injection Vulnerability injection brings controllable user variables into database operations and changes the original SQL intention. For example, in the logic of registering a user, when detecting whether the user name exists, you can retrieve the user name submitted by the user to the database for query. If the user name is not properly filtered in the code logic, you can submit some special characters to complete the inj

About PHP vulnerabilities and how to prevent PHP vulnerabilities?

Vulnerabilities include XSS, SQL injection, command execution, upload vulnerabilities, local inclusion, remote inclusion, Permission Bypass, information leakage, cookie forgery, and CSRF (cross-site request. These vulnerabilities are not only for PHP, but also for how PHP effectively prevents them. 1. xss + SQL injection (detailed introduction to xss attacks) XSS

Resolves common security vulnerabilities for Web file operations (directory, file name detection vulnerabilities

Do web development, we often do code to check, many times, we will spot some core functions, or often the logic of vulnerabilities. With the expansion of the technical team, the group's technology is increasingly mature. Common fool-type SQL injection vulnerabilities, and XSS vulnerabilities. will be fewer and less, but we will also find that some of the emerging

Identifies network security threats and vulnerabilities and Network Security Vulnerabilities

Identifies network security threats and vulnerabilities and Network Security Vulnerabilities 1. Social engineering attacks are an attack type that uses deception and tricks to persuade uninformed users to provide sensitive information or conduct behaviors against security rules. It is usually expressed by people, emails, and telephones. 2. Major Types of social engineering attacks include electronic spoof

Analysis and Prevention of web stored vulnerabilities (file name detection vulnerabilities)

is popular. At that time, almost all Websites stored on the website had vulnerabilities. At the moment, many platforms have disabled storage. In fact, the root cause is this. We get the file name and save it as the final generated file name. A good way is to randomly generate a file name + read extension. In this way, special characters can be entered, which are discarded or truncated during file storage. This vulnerability can be exploited in the ph

Veterans ' new biography-exploitation of various vulnerabilities and research of some search parameters _ vulnerabilities

Exploitation of various vulnerabilities and some search parameters When it comes to vulnerabilities, the first thing you should mention is a bug that uploads the web. "Hole net" loophole opened up the prologue of the file of loophole, other system on The leaks are coming! Vulnerability analysis of ASP Dynamic Network Forum 1, this loophole is not too serious, using the network forum people know, post dir

Website vulnerabilities no verification for specific sites vulnerabilities (weak passwords, SQL injection, and Arbitrary File Uploads)

Website vulnerabilities no verification for specific sites vulnerabilities (weak passwords, SQL injection, and Arbitrary File Uploads) P2p financial security: website vulnerabilities in multiple locations (weak passwords, SQL injection, and Arbitrary File Uploads) Unexpected discovery http://acc.rxdai.com: 8585/EmployeeQuery/Login. aspx did not validate such as

Openssh/ntp/ftp vulnerabilities and opensshntpftp Vulnerabilities

Openssh/ntp/ftp vulnerabilities and opensshntpftp Vulnerabilities Common reinforcement for these three vulnerabilities requires an official vulnerability upgrade package for the operating system. In this case, the following is not general:Openssh: Modify the ssh version:Whereis ssh // view the ssh directoryCd to this directoryCp ssh. bak // back up sshSsh-V // vi

How to find security vulnerabilities-how hackers exploit vulnerabilities

See the title of this article you will not be a tiger body earthquake it. Feel--it ' s imposible!,but it's so easy to get in ...We always hear "digging holes", "a certain company has a right to raise loopholes", we will ask "How do you know this is a loophole." How do you know where the leak is? "Of course it's easy to answer, because the bugs are in the code, but millions of lines of code who know where there are vulnerabilities. Well, what about thi

Multiple Denial of Service Vulnerabilities and unknown details vulnerabilities in IBM Lotus Symphony

Release date:Updated on: Affected Systems:IBM Lotus Symphony 3.0.0 FP 1IBM Lotus Symphony 3.0.0Unaffected system:IBM Lotus Symphony 3.0.0 FP 3Description:--------------------------------------------------------------------------------Bugtraq id: 48936Cve id: CVE-2011-2884, CVE-2011-2885, CVE-2011-2886, CVE-2011-2887, CVE-2011-2888 IBM Lotus Symphony is a free office software released by IBM. IBM Lotus Symphony has multiple denial-of-service vulnerabilitie

PHP common vulnerabilities: Common include vulnerabilities

PHP common vulnerabilities: Common include vulnerabilities include LFI and RFI, that is, local file transfer Sion and remote file transfer Sion. LFI For LFI, many of them limit that the suffix must end with. php and Include ($ a. '. php. So if we want to include our pictures, we need to cut off the. php 00 truncation. Gpc off php required Truncation of long file names. I rarely succeeded in

Web storage vulnerabilities and principles analysis and prevention methods (file type detection vulnerabilities)

false; $ type = $ IMG ['type']; $ filename = $ IMG ['name']; // read the file extension $ Len = strrpos ($ filename ,". "); if ($ Len = false) return false; // get the extension $ ext = strtolower (substr ($ filename, $ Len + 1 )); /// determine the file typeIf ($ type preg_match ('% ^ image/. + $ %', $ type) return $ ext;Return false;} function save_file ($ IMG) {$ ext = check_file ($ IMG); If (! EXT) return false; // format check OK, prepare to move data$ Filename = Time (). $ ext;$ Newfile

ASP directory vulnerabilities and IIS semicolon vulnerabilities under IIS (temporary workaround for;) _win server

Workaround: Download the Silver Month Server tool, use the tool-> component Downloader download Isapi_rewrite, unzip it out. Add the Isapi_rewrite.dll in the Isapi_rewrite as ISAPI, the name is Isapi_rewrite, this is pseudo static, did not install the Download the vulnerability patch package, which is the item selected in the following figure, download open! Replace the Httpd.ini in the Isapi_rewrite directory with the Httpd.ini in the patch package. Or to ensure that the isapi_rewrite belo

Identify common vulnerabilities and vulnerabilities in domestic software firewalls

It has always been a dream: How nice it would be to discover some vulnerabilities or bugs! So I am studying Computer blind and blind all day. What do I study? Study how to break through the firewall (the firewall here refers to a software-based personal firewall, and the hardware is not conditional .) Hey, you don't have to mention it. I did not have a white research, but I have even discovered common faults in most firewalls. This BUG can fool the fi

Website Common Vulnerabilities and solutions

(SQL injection, XSS cross-site, Web page horse, upload vulnerability, privilege elevation Vulnerability, database vulnerability, source code leakage) and many other security tests. In order to effectively identify the site security vulnerabilities and pitfalls, to ensure the security of the target site.Our site penetration testing, with many years of actual combat experience, can effectively detect and discover the existence of the site

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