Bug 2263579 (CVE-2023-50292) - CVE-2023-50292 Apache Solr: Schema Designer trusts all configsets, possibly leading to RCE by unauthenticated users
Summary: CVE-2023-50292 Apache Solr: Schema Designer trusts all configsets, possibly l...
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Status: NEW
Alias: CVE-2023-50292
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
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Depends On:
Blocks: 2263574
TreeView+ depends on / blocked
 
Reported: 2024-02-09 22:06 UTC by Robb Gatica
Modified: 2024-04-09 18:25 UTC (History)
29 users (show)

Fixed In Version: solr 9.3.0
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Doc Text:
A flaw was found in Apache Solr. The Schema Designer was introduced to allow users to more easily configure and test new Schemas and configSets. However, it may load untrusted configSets, which can allow an unauthenticated user to load external libraries when used in the Schema Designer. This issue may allow an attacker to perform remote code execution on the affected system.
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Description Robb Gatica 2024-02-09 22:06:53 UTC 
Incorrect Permission Assignment for Critical Resource, Improper Control of Dynamically-Managed Code Resources vulnerability in Apache Solr.

This issue affects Apache Solr: from 8.10.0 through 8.11.2, from 9.0.0 before 9.3.0.

The Schema Designer was introduced to allow users to more easily configure and test new Schemas and configSets. However, when the feature was created, the "trust" (authentication) of these configSets was not considered. External library loading is only available to configSets that are "trusted" (created by authenticated users), thus non-authenticated users are unable to perform Remote Code Execution. Since the Schema Designer loaded configSets without taking their "trust" into account, configSets that were created by unauthenticated users were allowed to load external libraries when used in the Schema Designer.

Users are recommended to upgrade to version 9.3.0, which fixes the issue.

References:
http://www.openwall.com/lists/oss-security/2024/02/09/3
https://solr.apache.org/security.html#cve-2023-50298-apache-solr-can-expose-zookeeper-credentials-via-streaming-expressions
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