Thursday, 16 May 2019

Top 10 Web Application Security Risks

Injection

Injection flaws, such as SQL injection, LDAP injection, and CRLF injection, occur when an attacker sends untrusted data to an interpreter that is executed as a command without proper authorization.

* Application security testing can easily detect injection flaws. Developers should use parameterized queries when coding to prevent injection flaws.

Broken Authentication and Session Management

Incorrectly configured user and session authentication could allow attackers to compromise passwords, keys, or session tokens, or take control of users’ accounts to assume their identities.

* Multi-factor authentication, such as FIDO or dedicated apps, reduce the risk of compromised accounts.

Sensitive Data Exposure

Applications and APIs that don’t properly protect sensitive data such as financial data, usernames and passwords, or health information, could enable attackers to access such information to commit fraud or steal identities.

* Encryption of data at rest and in transit can help you comply with data protection regulations.

XML External Entity

Poorly configured XML processors evaluate external entity references within XML documents. Attackers can use external entities for attacks including remote code execution, and to disclose internal files and SMB file shares.

Broken Access Control

Improperly configured or missing restrictions on authenticated users allow them to access unauthorized functionality or data, such as accessing other users’ accounts, viewing sensitive documents, and modifying data and access rights.

Security Misconfiguration

This risk refers to improper implementation of controls intended to keep application data safe, such as misconfiguration of security headers, error messages containing sensitive information (information leakage), and not patching or upgrading systems, frameworks, and components.

Cross-Site Scripting

Cross-site scripting (XSS) flaws give attackers the capability to inject client-side scripts into the application, for example, to redirect users to malicious websites.

Insecure deserialization

Insecure deserialization flaws can enable an attacker to execute code in the application remotely, tamper or delete serialized (written to disk) objects, conduct injection attacks, and elevate privileges.

Using Components with Known Vulnerabilities

Developers frequently don’t know which open source and third-party components are in their applications, making it difficult to update components when new vulnerabilities are discovered. Attackers can exploit an insecure component to take over the server or steal sensitive data.

Insufficient Logging and Monitoring

The time to detect a breach is frequently measured in weeks or months. Insufficient logging and ineffective integration with security incident response systems allow attackers to pivot to other systems and maintain persistent threats.

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