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CVE-2017-20189

Published: 22 January 2024

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.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
clojure
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Not vulnerable
(1.10.1-1)
jammy Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

noble Not vulnerable

trusty Does not exist

upstream
Released (1.9.0-1)
xenial Does not exist

Patches:
upstream: https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H