Vulnerability Description
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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clojure | Clojure | < 1.9.0 |
Related Weaknesses (CWE)
References
- https://clojure.atlassian.net/browse/CLJ-2204ExploitPatchVendor Advisory
- https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3aPatch
- https://github.com/frohoff/ysoserial/pull/68/filesPatch
- https://hackmd.io/%40fe1w0/HyefvRQKpExploitThird Party Advisory
- https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378PatchThird Party Advisory
- https://clojure.atlassian.net/browse/CLJ-2204ExploitPatchVendor Advisory
- https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3aPatch
- https://github.com/frohoff/ysoserial/pull/68/filesPatch
- https://hackmd.io/%40fe1w0/HyefvRQKpExploitThird Party Advisory
- https://security.netapp.com/advisory/ntap-20241108-0002/
- https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378PatchThird Party Advisory
FAQ
What is CVE-2017-20189?
CVE-2017-20189 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2017-20189?
CVE-2017-20189 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-20189?
Check the references section above for vendor advisories and patch information. Affected products include: Clojure Clojure.