QID 153011

Date Published: 2023-07-24

QID 153011: HTTP Host Header Injection

The Host header is an HTTP request header that specifies the domain name of the server the client is trying to communicate with. It allows a single web server to host multiple websites by distinguishing between them based on the domain name provided in the Host header.

Host header injection is a security vulnerability that occurs when an attacker manipulates the Host header in an HTTP request to inject malicious data. By doing so, the attacker can trick the web server into processing the request as if it were directed to a different domain. This can lead to various types of attacks, such as website defacement, session hijacking, and cross-site scripting (XSS).

QID Detection Logic:
This QID sends a HTTP request with the payload in the Host header to check if the target is vulnerable.

Attackers can redirect users to malicious content, deface websites, or trick users into disclosing sensitive information through phishing attacks.

CVSS V3 rated as High - 7.2 severity.

CVSS V2 rated as High - 6.4 severity.

Solution

Implementing proper validation and sanitization of input headers is essential to mitigate the risks of Host header injection.

Vendor References

CVEs related to QID 153011

Software Advisories

Advisory ID	Software	Component	Link

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