Path Traversal Affecting org.springframework:spring-webflux package, versions [,6.1.13)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published13 Sept 2024
- disclosed13 Sept 2024
- creditGabor Legrady
Introduced: 13 Sep 2024
CVE-2024-38816 (opens in a new tab)How to fix?
Upgrade org.springframework:spring-webflux to version 6.1.13 or higher.
Overview
org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions.
Affected versions of this package are vulnerable to Path Traversal via the WebMvc.fn and WebFlux.fn frameworks. An attacker can access any file on the file system that is also accessible to the process in which the Spring application is running by crafting malicious HTTP requests.
Note:
This is only exploitable if the web application uses RouterFunctions to serve static resources and resource handling is explicitly configured with a FileSystemResource location.
Workaround
This vulnerability can be mitigated by using the Spring Security HTTP Firewall or running the application on Tomcat or Jetty.