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Access Control Bypass Affecting org.apache.zookeeper:zookeeper package, versions [,3.4.14) [3.5.0-alpha, 3.5.5)

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.09% (38th percentile)
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NVD
5.9 medium

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  • Snyk ID SNYK-JAVA-ORGAPACHEZOOKEEPER-174781
  • published 23 May 2019
  • disclosed 23 May 2019
  • credit Harrison Neal
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Introduced: 23 May 2019

CVE-2019-0201 Open this link in a new tab
CWE-288 Open this link in a new tab

How to fix?

Upgrade org.apache.zookeeper:zookeeper to version 3.4.14, 3.5.5 or higher.

Overview

org.apache.zookeeper:zookeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

Affected versions of this package are vulnerable to Access Control Bypass. ZooKeeper’s getACL() method doesn’t check any permission when retrieving the ACLs of the requested node and returns all information contained in the ACL Id field as plain text string. If Digest Authentication is in use, the unsalted hash value will be disclosed by the getACL() method for unauthenticated or unprivileged users.