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the third parameter is tainted (ECS is a package used to automatically generate markup languages, such as HTML and XML) Looking at the data ow path, you can see that the source is the same call to getParameterValues() that we saw in the SQL Injection issue we just audited, but the data pass through various intermediate functions before it reaches the sink 2 Most of the data ow path looks very similar to the path we reviewed for the SQL Injection issues we already audited, except that the dataflow path for this issue includes a call to a function named clean() Expand the node in the dataflow path that corresponds to clean() and investigate what logic the function implements You will discover that clean() compares each nonalphanumeric character against a decent whitelist One hole in this validation is that some limited cross-site scripting attacks can be mounted when content is included inside a JavaScript block that depends on a semicolon (;), which the whitelist allows More important, however, is the fact that the character-by-character validation does not take into account special encodings that might be used to mask malicious input If an attacker submits input in an unexpected encoding, the victim s browser could interpret that encoding and breathe life back into the malicious content For example, if an attacker submits a request in UTF-7, the special character <, which the blacklist disallows because it can be used to mount a cross-site scripting attack, will appear as +ADw- and avoid ltering If the output is included in a page that does not explicitly specify an encoding format, some browsers will try to intelligently identify the encoding based on the content (in this case, UTF-7), thus enabling a successful attack The validation logic should probably be made more restrictive, but in general, this is far better than the nonexistent or blacklist-based encoding used elsewhere in the application Record your ndings and move on 3 Review the remaining Cross-Site Scripting issues in the same way Notice that, in a handful of cases, the input passes through clean(), but, in most cases, raw, unvalidated HTTP request parameters are included directly in content sent back to the user We can conclude that the application is highly vulnerable to cross-site scripting attacks. read pdf file in asp.net c# how to read pdf file in asp.net using c# .net - C# Corner
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print mvc view to pdf Here is a sample of reading text from a PDF using ITextSharp[^]: ... The Font3D object is used to contain 3D glyphs used in rendering 3D text These 3D glyphs are constructed from a Java 2D font object and a FontExtrusion object (see Section 7223, FontExtrusion Object ) To ensure correct rendering, the 2D font object should be created with the default transform The point size of the 2D font will be used as a rough measure of how ne a tessellation to use when creating the Font3D object: the larger the point size, in general, the ner the tessellation Constructors word 2007 barcode font free, birt upc-a, upc-a word font, birt code 39, word code 128 barcode font, word data matrix code asp.net c# read pdf file Reading Contents From PDF , Word, Text Files In C# - C# Corner
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ghostscript pdf page count c# Here is a sample of reading text from a PDF using ITextSharp[^]: ... 1 Select the HTTP Response Splitting issue in WebSessionjava on line 290 Notice that the sink is a call to HttpServletResponseaddCookie(), which adds a cookie header to the HTTP response Looking at the short data ow path, we can see that the source is a cookie read from HttpServletRequestgetCookies() Clearly, no validation occurs between the source and the sink, which means that if an attacker can cause CR and LF characters to be included in an HTTP request, the application will include those characters in a response sent to the user Record your ndings and read the Details panel to learn more about HTTP response splitting attacks public Font3D(Font font, FontExtrusion extrusionPath) how to read pdf file in asp.net using c# How to read pdf file and extract contents using iTextSharp in ASP ...
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A simple class to extract plain text from PDF documents with ITextSharp. ... By using our site you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and ... Design and Architecture · ASP . ... Dan Letecky posted a nice code on how to extract text from PDF documents in C# based on PDFBox. Creates a Font3D object from the speci ed Font object The FontExtrusion object (see Section 7223, FontExtrusion Object ) contains the extrusion path to use on the 2D font glyphs To ensure correct rendering, the font must be created with the default Af neTransform The point size of a Font object is used as a rough measure of how nely to tessellate the glyphs A larger point size will, in general, have ner detail than the same font with a smaller point size Passing null for the FontExtrusion parameter results in no extrusion being done Custom 3D fonts as well as methods to save 3D fonts to disk will be addressed after the 10 release of this speci cation Methods 1 Select the Hard-Coded Password issue in DatabaseUtilitiesjava on line 59 Notice that although a portion of the connection string is concatenated in dynamically, that value includes only the name of the database; the password and other information are hard-coded directly in the string Although this issue is not directly exploitable, it does expose the password to anyone with source code access and makes it dif cult to change the password if it is compromised after the application is deployed Review the remaining Hard-Coded Password issue and record your ndings Users must remember which mode is in effect If users are unaware of modes or forget to change modes, the users' actions have incorrect effects Users must switch between modes, which requires extra mouse actions or extra keystrokes public GeometryStripArray[] getAsTriangles(int glyphCode) 1 Select the Race Condition issue in HammerHeadjava on line 86 Scroll to the top of the source le and notice that the variable being assigned is a member variable of the class HammerHead Because the class implements doPost() and doGet() methods, we can assume that it extends HttpServlet, but to verify this assumption, check the class declaration Voil , it does extend HttpServlet, which makes it a singleton object and con rms that any assignments to its member variables are prone to race conditions because the same object is used to process multiple requests Note in your ndings that this is a particularly insidious bug to track down because it can manifest itself only under particularly high-volume situations after the application has gone into production how to read pdf file in asp.net c# how to read pdf file in asp . net using c# .net - C# Corner
hi friends.... i want to read . pdf file using c# . net code and have to save that file ... Below is my code ... But it reads only one page of a file . how to read pdf file in asp.net using c# How to Open PDF Files in Web Brower Using ASP . NET - C# Corner
8 Mar 2019 ... In this article, I will explain how to open a PDF file in a web browser using ASP . NET . .net core barcode, barcode scanner in .net core, asp.net core barcode scanner, .net core qr code reader
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