Information disclosure in Apache Solr

1) Information disclosure

EUVDB-ID: #VU86631

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 - Information exposure

Exploit availability: No

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: 6.0 - 9.4.0

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

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.