Vulnerability identifier: #VU86631

Vulnerability risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-50298

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Solr
Client/Desktop applications / Other client software

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user can gain unauthorized access to ZooKeeper credentials via Streaming Expressions

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Solr: 9.4.0, 9.3.0, 9.2.0 - 9.2.1, 9.1.0 - 9.1.1, 9.0.0, 8.1.0 - 8.1.2, 8.11.0 - 8.11.2, 8.10.0 - 8.10.1, 8.9.0, 8.8.0 - 8.8.2, 8.7.0, 8.6.0 - 8.6.3, 8.5.0 - 8.5.2, 8.4.0 - 8.4.1, 8.3.0 - 8.3.1, 8.2.0, 8.0.0, 7.7.0 - 7.7.3, 7.6.0, 7.5.0, 7.4.0, 7.2 - 7.2.1, 7.1 - 7.1.0, 7.3.0 - 7.3.1, 7.0.0 - 7.0.1, 6.1 - 6.1.3, 6.6 - 6.6.6, 6.5 - 6.5.1, 6.4 - 6.4.2, 6.3 - 6.3.0, 6.2 - 6.2.1, 6.0 - 6.0.1

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External links
http://solr.apache.org/security.html#cve-2023-50298-apache-solr-can-expose-zookeeper-credentials-via-streaming-expressions
http://www.openwall.com/lists/oss-security/2024/02/09/3
http://www.openwall.com/lists/oss-security/2024/02/09/2
http://lists.apache.org/thread/lz0obpo1y4xh8xgnw2sylkpcqbs670vy

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.