The vulnerability is caused by absent or insufficient filtration of attacker-supplied input that is used by the application to initiate a connection with a third-party. This means that the request is sent by the affected application itself with the privileges of the very application. SSRF or Server-side request forgery (CWE-918) allows an attacker to force the vulnerable application to send requests to local or remote systems. In 2021 OWASP has added SSRF into its TOP 10 list of most popular vulnerabilities in web applications. A very good example of the danger that may come from a simple SSRF is an infamous set of ProxyLogon vulnerabilities: CVE-2021-26855, CVE-2021-27065, CVE-2021-26857, and CVE-2021-26858.Ī total of 400,000 Internet-connected Exchange servers were impacted by the ProxyLogon vulnerabilities when Microsoft issued the initial security patches
#Lst server banned code
In such case a remote code execution is possible. It may also allow to redirect output from an external service into a local file. Server-side request forgery is a vulnerability that allows an attacker to force the web application into initiating requests to other systems.
#Lst server banned update
Read this article and bookmark it to get back later, we regularly update this page. Server-side request forgery became one of the most discussed vulnerabilities in 2021 due to enormous damages caused first by APT actors and later by ransomware in attacks against Microsoft Exchange servers.ĭo you want to have an in-depth understanding of all modern aspects of Server-Side Request Forgery is #10 in the current OWASP Top Ten Most Critical Web Application Security Risks.
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