CVE-2023-50298 Affecting lucene-solr package, versions <3.6.2+dfsg-23


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-DEBIAN11-LUCENESOLR-6241813
  • published12 Feb 2024
  • disclosed9 Feb 2024

Introduced: 9 Feb 2024

CVE-2023-50298  (opens in a new tab)

How to fix?

Upgrade Debian:11 lucene-solr to version 3.6.2+dfsg-23 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lucene-solr package and not the lucene-solr package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Scores

version 3.1