in this context most likely refers to a successful security test or a "favorable" finding in a security audit where the vulnerability was confirmed. New Zealand Information Security Manual Breakdown of the Payload callback-url
This string is a URL-encoded exploit payload used to test for Server-Side Request Forgery (SSRF) vulnerabilities, specifically targeting AWS Instance Metadata "good review" in this context most likely refers to a
The security community has long recognized the danger of "open" metadata access. Historically, relied on a simple GET request, which made it highly susceptible to SSRF because many application vulnerabilities (like basic URL redirects) could easily trigger a GET call. : This is a link-local address used by
: This is a link-local address used by cloud providers for metadata services. relied on a simple GET request
However, it's crucial to note that the metadata service is accessible only from within the instance itself, ensuring that these credentials are not exposed to external entities. Misconfiguration or exploitation attempts to access this service from outside the instance can be mitigated through proper network and instance configuration.