CVE-2017-20189: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects.
References
- clojure.atlassian.net/browse/CLJ-2204
- github.com/advisories/GHSA-jgxc-8mwq-9xqw
- github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3
- github.com/frohoff/ysoserial/pull/68/files
- groups.google.com/d/msg/clojure/WaL3hHzsevI/7zHU-L7LBQAJ
- hackmd.io/%40fe1w0/HyefvRQKp
- nvd.nist.gov/vuln/detail/CVE-2017-20189
- security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378
Code Behaviors & Features
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