Questions tagged [secure-coding]

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How is Hopwood's Java interface attack related to least common mechanism principle?

I'm trying to understand LCM and how David Hopwood's discovery is a noteworthy example of it. This site contains two important things. First, it identifies Hopwood's interface attack (1996) as an ...
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1answer
103 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
154 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 ...
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0answers
34 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 ...
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0answers
67 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 ...
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1answer
240 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
129 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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206 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 ...
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1answer
207 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 ...
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1answer
235 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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0answers
38 views

Bind application user roles to JWT is good

I need implement service oriented application. so i hope to use micro services for my back end function and react for fronted end development. for session management i hope to use JWT tokens. with ...
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2answers
121 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 ...
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2answers
90 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 ...
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1answer
238 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 ...
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1answer
74 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 ...
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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 ...
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1answer
149 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 ...
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1answer
416 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
32 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?
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1answer
60 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 ...
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1answer
335 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 ...
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2answers
1k 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? ...
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2answers
153 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 ...
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2answers
203 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 ...
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0answers
164 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 = ...
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5answers
8k 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 = ...
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1answer
764 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 ...
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0answers
225 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 ...
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1answer
90 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, ...
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3answers
906 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 ...
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1answer
635 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 ...
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1answer
1k 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 ...
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1answer
4k 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 ...
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1answer
159 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 ...
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2answers
632 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 ...
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1answer
92 views

Integer overflow check not detecting some cases

Something very weird happens when I control my code execution to fish out integer overflows. The control program checks the value of the overflow flag using inline assembly. Code: #include <stdio....
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1answer
1k views

Identifying vulnerabilities in simple program with malloc

My class is without a textbook, or any structured learning material for that matter. I am doing all my learning through googling and while I am picking it up as I am doing it, it is slow going to be ...
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2answers
3k views

Secure flag for ASPXAUTH Cookie in MVC

We have an Application which is developed using ASP.NET MVC3. Penetration-test done by an IBM AppScan tool. Issue has been reported and it was ASPXAUTH is not secure. When I checked on the browser's ...
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2answers
324 views

How long should I wait before choosing a hash function?

How long should I wait before using a newer (hopefully improved) hash function? For instance: Is SHA-3 ready for use because of extra testing that went on during the NIST competition?
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2answers
147 views

Homebrewing something like SSL

So me and eight other friends have founded a "company" (not official, we just like calling ourselves that) named sDev and we are making a strategy game. We are aged 16-17 and have about 3-5 years of ...
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1answer
35 views

Secure application data

I have a private client/server application that trying to secure the data transmitted through public network. The encryption/decryption method is private too. Client and server uses DH key exchange ...
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4answers
3k views

How secure is the use of fingerprints (like Apple's TouchID) for authentication in banking apps? [closed]

We are working on the development of a banking app and for customers. We need to implement TouchID in Apple's iOS and a fingerprint check in Android. Firstly, what are the possible security risks ...
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1answer
392 views

What are the risks associated with a vulnerable javascript in a client context?

Background: it is not difficult to introduce vulnerabilities in backend/API code when not coding with security in mind. This typically leads to vulnerabilities such as XSS or various injections (or ...
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1answer
71 views

Question about transparency [duplicate]

I would like to run a web service (based on Node.js) and I'd be happy to be as transparent as possible with my users. Ideally I'd like to give the users the possibility to verify somehow that my ...
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0answers
32 views

How to secure/ensure a call from Excel AddIn to IIS Backend?

I need to develop an Excel AddIn which should gather a local information and send it to a backend system which is installed on an IIS (https). In general i want to use https but how can i ensure that ...
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3answers
116 views

Casting return from ClassUtil.newInstance

I started getting into java security and had a question I could not find an answer to. Lets say we have a web application that uses the following code, and that the UserControlledString can be set ...
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1answer
586 views

Shall i proceed with CEH-LPT-OSCP? Or any other course? [closed]

Well actually i am student and will be completing my school in more 2-3 months. Being really interested and keen towards the cyber security, i have really surfed the net and asked friends and seniors ...
3
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1answer
228 views

What should a job description for a developer focused on secure coding practices look like? [closed]

Recently the organisation that I work for has approved a new role to be focused on ensuring technical solutions are following secure development practices at the code development level. While the ...
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0answers
66 views

Best practices for the development of security solutions [closed]

IT firms developing security solutions (such as antivirus or Auth systems) are required to adopt a more sophisticated level of management and quality control while developing their products. Security ...
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0answers
1k views

Store a symmetric key in Java Keystore

It would be great if someone can let me know how exactly we can store a symmetric key in a Java Keystore. It is common to use store key pairs in Keystores. But I need to store a symmetric key and ...