Questions tagged [secure-coding]

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2answers
41 views

allowing users to add custom html/js code and show it only under another domain

I have a web app where I allow users to create a one-page portfolio using drag and drop, also I allow them to add custom HTML freely (basically any html or js code) I'm aware that I shouldn't allow ...
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1answer
27 views

Impact of the System Information Leak

Here, The application stored **e.printstacktrace()** in a log file, which is accessible to a specific user group, we need such detailed information for debugging purposes. As per the security team, ...
17
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1answer
3k views

Why is there no web client for Signal?

I’ve read about E2EE (end to end encryption) of Signal in web clients on a Signal Community discussion forum, and wonder why they say that the browser is insecure for E2EE and native apps are secure. ...
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0answers
73 views

Secure code makes exploitation easier with CPU vulnerabilities?

I researched CPU vulnerabilities in the past, such as Specter and Meltdown. I read that one of those attacks is made easier if the code is a certain way. I cannot remember if it was related to being ...
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1answer
65 views

Who (Designer or User) Should be Resposible for the Correct/Secure Usage of a Tool Intended for Developers/Admins? [closed]

There is a healthy debate around a series of stack overflow posts that refer to the "RunAs" command. Specifically the discussion is in reference to design decision that the folks at ...
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2answers
54 views

How to find vulnerabilities in a program by looking at it's source code [closed]

Hello I have recently started learning Reverse Engineering. I often hear that it's much easier to find vulnerabilities in a program by looking at it's source code, but i don't know how to find them or ...
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1answer
132 views

Is my code safe enough to be publish on the server side? [duplicate]

I'm new here to ask a question. Sorry if my question had miss explanation. I just wanna ask if my PHP code is secure enough. Please find below is the source code: Get the ID for choosing the Value ...
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0answers
22 views

Regenerating CSFR token in AJAX requests

I would like to create a new token for each request and would like to us the following template- <script> var current_token=<?php echo $_SESSION['csrf_token']; ?> $....
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2answers
77 views

Can demo exploits/attacks be run on desktop applications? [closed]

Are there any applications/tools for exploiting desktop applications? (with pre-built exploits) I'd like to test my Java desktop app for security. I've looked at tools like Metasploit, but they seem ...
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0answers
40 views

HSM: How multiple users are supported (using SAM)?

So far, I knew that traditional HSMs (Hardware Security Module) can be used to store key of a single user. But, recently, I came to know that newer HSMs have the capability to store keys of multiple ...
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0answers
61 views

Would my Java web application be vulnerable if I use a netty version that is vulnerable to CVE-2019-20444 and CVE-2019-20445?

These has been fixed in later versions of Netty ... but what is the risk of using an older (can't upgrade now) version that is vulnerable to to CVE-2019-20444 and CVE-2019-20445 ... is there really a ...
41
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8answers
8k views

Does an application purely for intranet use by employees need secure software design or to follow OWASP guidelines?

I'm developing an application over an intranet and is used only by an internal employee. There wouldn't be any external parties involved here and no external communication would be used by the ...
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0answers
217 views

SQLMAP with single URL application

I have a local application which will be accessible only after login. Its single URL application, URL of application won't change, just it use 'XMLHttpRequest' to refresh the content of screen based ...
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0answers
37 views

Counterintuitive remediation cost scale within SEI CERT Coding Guidelines for priority

The SEI CERT Coding Guidelines assign a priority to each rule, formed from the product of three factors: severity, likelihood, and remediation cost. Each of these three factors is assigned a value ...
2
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1answer
55 views

Code Change That Resulted in Database Fields and Values Exposed

At my company, we have a new development team that has been completely rewriting all of the code for different parts of the system. I've noticed that with one of the recent changes, you can now see ...
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2answers
597 views

“Reflected XSS”-like attack on chatbot AI

This is a theoretical question. I just watched a certain video in which the author apparently unmasks a chatbot AI that is likely trying to harvest data and spread influence in a cult-like manner on a ...
1
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2answers
228 views

How do we secure image parsing libraries against buffer overflow?

New to buffer overflow through image parsing. How can one design a secure library that parses images, and ensure there are no security vulnerabilities in it? It is common knowledge that image parsing ...
2
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1answer
226 views

Buffer Overflow in the C program

I'm preparing for an introductory information security examination in university and this is one of the examination questions on Secure Programming. Here is the question. Sorry the original condition ...
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1answer
192 views

Exploiting vulnerabilities in the C code

I'm preparing for an introductory information security examination in university and this is one of the examination questions on Secure Programming. In such questions, I would usually catch for ...
1
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0answers
62 views

Calling Powershell script from external program passing an argument

I have an external program which calls a PowerShell script with a random secret identifier as a single argument. The PowerShell script needs to return the same random secret id when it calls the REST ...
2
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0answers
101 views

How can an attacker use SQL injection in ALTER query?/What can an attacker do with an injectable ALTER statement? [closed]

Let's say you have a Java app which has a query which can unlock/reset passwords for users like: ALTER USER " + iD_Of_User.toUpperCase() + " IDENTIFIED BY " + password_Of_User + " ACCOUNT UNLOCK ...
0
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1answer
246 views

Securing exec against executing adversary shell commands

I have to execute my .o or .out binary file pre-compiled with gcc, it should be intended to let the user execute the small program so an action is made that connects with the app installed on the user'...
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1answer
130 views

Securing a website for my school project [closed]

I have been given a task to secure a website which will be done by my group mates, but I have no clue. Could someone give my ideas? and how I am going to protect? what code can I use to secure login ...
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0answers
381 views

What is the risk of allowing user input in Python's 're' module

Some context I'm currently building an application which lets user's set up dynamic, queries they can execute later. A great addition to this seems like a regex module, in which users can filter ...
0
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1answer
256 views

Hiring an AppSec Engineer - What to look for?

I am in the process of trying to hire an AppSec Engineer to review our source code manually and have only been able to find those using appscan tools for secure code reviews. Is there something in ...
1
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1answer
373 views

Secure coding standards and guidelines

I was trying to research on available secure coding guidelines of server-side and client-side languages. There are online documentation from Oracle for Java, Microsoft for asp.net, and w3 for html5 ...
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2answers
213 views

What factors should I consider when choosing the key for encryption and decryption?

We have an application that uses cookies to transmit employee personal data over from the front end to the server. We have planned to use TLS 1.2 for the encryption in transit. However once the java ...
1
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1answer
121 views

When to perform secure code review?

OWASP recommends that secure code review to be performed throughout the SDLC process. Although it makes sense to perform secure code review before moving codes to production, could anyone here help ...
6
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1answer
403 views

Username Enumeration in 2018 - How serious is this

I am looking at an application redesign and one of our business team research says that we are not getting or losing customers because they are not able to login. While I don't really care about the ...
2
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1answer
79 views

InfoSec consultancy - infrastructure vs development

I work for a company that has done in house application development (for our internal systems) since its inception decades ago. Recently, however, the rise of APIs and real-time data transfer has ...
24
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4answers
8k views

Can I trust public code versioning platforms when building a social platform?

We are developing a kind of social platform. It starts as a closed beta for a limited number of users, but the goal is to reach millions of subscriptions. We are currently limited on resources, both ...
1
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1answer
283 views

How can a git repository be sanitized efficiently and effectively?

A git repository will contain information on every previous commit and all the information in that commit. That means that if you have a git repository that contained any information such as secret ...
0
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1answer
739 views

Key Encryption / Obfuscation

I got a GUI Program, which loads the Logic from a webserver if the entered License Key is valid. The actual connection string I hexed and xor'd with a secret key. (which is unfortunately static) The ...
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0answers
33 views

How should I secure my database in Microservice architecture

Can someone tell me whether I should secure may connections to the database from my microservice? Should I worry about the communication between my microservice and database?
0
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1answer
90 views

security of swoopnow integration on website [closed]

We are planning to use swoopnow site apis (no-password) integration for our website. (swoopnow provide apis which give user to login on site without any password) However we are not sure about its ...
0
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1answer
548 views

Secure file encryption with OpenSSL and a little trick?

I try to really securely encrypt a file with OpenSSL. I´m new to OpenSSL and just read here, that it´s not very secure due to it´s behavior in generating salt & IV, and storing it within the ...
1
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2answers
2k views

Is there a secure way to run a bat file from a Java program without command injection vulnerability?

Since using Runtime.exec() and ProcessBuilder trigger command injection vulnerability in static analyzing tools, is there any other recommended secure way to execute a bat file from a Java program? ...
1
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2answers
185 views

How to explain to our developer manager the benefits of using a linter also as a security feature?

Someone mentioned that linters would have helped not only for keeping the code looking better and friendlier, but also safer. ESlint has a rule to indicate, for example, to use {} which would have ...
4
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2answers
359 views

Is it a security defect to display the secure api_key in travis.yml file of source code of a web application in Github

I have been working on a code review of a project. The source code is publicly available on Github. I came across a file "travis.yml". In that file, I am able to see the secure api_key as shown in ...
1
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0answers
215 views

Veracode still reports OS command injection issue after I have applied the solution as recommendations from OWAPS and Roslyn Security Guard [closed]

Current code in my project is shown below and Veracode reports there is an OS command injection filename = Regex.Replace(filename, "[^a-zA-Z0-9_]", "_") & ".svg" ProcessStartInfo startInfo = ...
15
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5answers
9k views

How many rounds of hashing is enough for a password manager?

I'm currently writing my own little password manager that stores the key in a SHA256 hash, with salt. I create the hash by doing the following: def sha256_rounds(raw, rounds=100001): obj = ...
1
vote
1answer
876 views

How to Check Open Source Code for Vulnerabilities? [closed]

I am a member in bug bounty platform. There are some programs that make their source code available to the hackers to find vulnerabilities. For example, their PHP, JS, C++, or ruby code. I want to ...
2
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0answers
279 views

How to use JAXB Custom Mapping to whitelist classes instantiatable over XML

Known vulnerabilities associated with JAXB unmarshalling are: XXE billion laughs RCE which are due to deserialization of untrusted data and the resolution of external references. I'm aware of the ...
-1
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1answer
143 views

Secure PHP coding without frameworks

I am very new to PHP and some people said that writing PHP code without a framework is insecure. I am not sure about that! Is it possible to write highly secure code without any frameworks? If so, ...
4
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3answers
926 views

Should I return meaningful error code in case of internal error?

Let's say I'm using several crypto functions from a 3rd party lib and those crypto functions should never fail because my code, and not a user, is sending all the arguments (buffers, sizes, etc..) so ...
0
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1answer
766 views

best way to encrypt code and data on IOT device?

I have R scripts which are running on a Raspberry Pi device. I want to encrypt the code and data on the device so that if anyone unmounts the disk and try to read the content via other devices they ...
1
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1answer
2k views

Penetration Testing vs Secure Source Code Review [duplicate]

Recently I came across to a situation where an institution has hired a third party vendor to develop its business applications. I came up with the following questions related to penetration testing ...
3
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2answers
6k views

Common JavaScript Vulnerabilities

Can someone recommend a secure coding guideline for JavaScript? Is there a set of common vulnerabilities that are closely related to the JavaScript programming language? What I am searching for are ...
1
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1answer
162 views

A secure connection with an application and a dedicated server

I'm wondering if this kind of technology is already exist (not VPN), I'm looking for a method to make secure internet connection within a dedicated server, where my laptop has a desktop application to ...
1
vote
2answers
890 views

How to securely send a password from one app to another app?

See this question/answer first: When calling a process from another process, Is sending stdin password more secure than sending an ENV variable? I am a Java developer that is building an app where ...