CVE-2023-24815

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Summary

CVECVE-2023-24815
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-09 18:15:00 UTC
Updated2023-02-17 13:57:00 UTC
DescriptionVert.x-Web is a set of building blocks for building web applications in the java programming language. When running vertx web applications that serve files using `StaticHandler` on Windows Operating Systems and Windows File Systems, if the mount point is a wildcard (`*`) then an attacker can exfiltrate any class path resource. When computing the relative path to locate the resource, in case of wildcards, the code: `return "/" + rest;` from `Utils.java` returns the user input (without validation) as the segment to lookup. Even though checks are performed to avoid escaping the sandbox, given that the input was not sanitized `\` are not properly handled and an attacker can build a path that is valid within the classpath. This issue only affects users deploying in windows environments and upgrading is the advised remediation path. There are no known workarounds for this vulnerability.

Risk And Classification

Problem Types: CWE-22

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Eclipse Vert.x-web All All All All

References

ReferenceSourceLinkTags
StaticHandler disclosure of classpath resources on Windows when mounted on a wildcard route · Advisory · vert-x3/vertx-web · GitHub MISC github.com
Fix the webroot escape to classpath on windows · vert-x3/vertx-web@9e3a783 · GitHub MISC github.com
vertx-web/Utils.java at 62c0d66fa1c179ae6a4d57344631679a2b97e60f · vert-x3/vertx-web · GitHub MISC github.com
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