Security restrictions bypass in Apache Solr

1) Input validation error

EUVDB-ID: #VU45762

Risk: Medium

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-13941

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input in the Replication handler. A remote authenticated user can bypass security restrictions and read/write data to the filesystem.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Solr: 6.3 - 8.5.2

CPE2.3

• cpe:2.3:a:apache_foundation:apache_solr:6.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.6.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.5.0:*:*:*:*:*:*:*

External links

https://lists.apache.org/thread.html/rf54e7912b7d2b72c63ec54a7afa4adcbf16268dcc63253767dd67d60%40%3Cgeneral.lucene.apache.org%3E

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.