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CVE-2023-50298— Apache Solr: Solr can expose ZooKeeper credentials via Streaming Expressions

Quick assessment

Affected
Apache Software Foundation Apache Solr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Solr是美国阿帕奇（Apache）基金会的一款基于Lucene（一款全文搜索引擎）的搜索服务器。该产品支持层面搜索、垂直搜索、高亮显示搜索结果等。 Apache Solr 6.0.0版本至8.11.2版本、9.0.0版本至9.4.1之前版本存在安全漏洞，该漏洞源于存在敏感信息泄露。

AI Predicted 9.1 Difficulty: Easy EPSS 1.56% · P75
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I. Basic Information for CVE-2023-50298

Vulnerability Information
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Vulnerability Title
Apache Solr: Solr can expose ZooKeeper credentials via Streaming Expressions
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Solr.This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.0 before 9.4.1. Solr Streaming Expressions allows users to extract data from other Solr Clouds, using a "zkHost" parameter. When original SolrCloud is setup to use ZooKeeper credentials and ACLs, they will be sent to whatever "zkHost" the user provides. An attacker could setup a server to mock ZooKeeper, that accepts ZooKeeper requests with credentials and ACLs and extracts the sensitive information, then send a streaming expression using the mock server's address in "zkHost". Streaming Expressions are exposed via the "/streaming" handler, with "read" permissions. Users are recommended to upgrade to version 8.11.3 or 9.4.1, which fix the issue. From these versions on, only zkHost values that have the same server address (regardless of chroot), will use the given ZooKeeper credentials and ACLs when connecting.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Solr 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Solr是美国阿帕奇（Apache）基金会的一款基于Lucene（一款全文搜索引擎）的搜索服务器。该产品支持层面搜索、垂直搜索、高亮显示搜索结果等。 Apache Solr 6.0.0版本至8.11.2版本、9.0.0版本至9.4.1之前版本存在安全漏洞，该漏洞源于存在敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Solr 6.0.0 ~ 8.11.2 -

II. Public POCs for CVE-2023-50298

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III. Intelligence Information for CVE-2023-50298

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Mailing List Discussions for CVE-2023-50298 (2)

Other References for CVE-2023-50298 (1)

Same Patch Batch · Apache Software Foundation · 2024-02-09 · 4 CVEs total

CVE-2023-50291 Apache Solr: System Property redaction logic inconsistency can lead to leaked passwords
CVE-2023-50292 Apache Solr: Solr Schema Designer blindly "trusts" all configsets, possibly leading to RCE
CVE-2023-50386 Apache Solr: Backup/Restore APIs allow for deployment of executables in malicious ConfigSe

IV. Related Vulnerabilities

Same product: Apache Solr
Same vendor: Apache Software Foundation
Same weakness: CWE-200

V. Comments for CVE-2023-50298

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