Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Apache Solr

Summary

Muiltiple vulnerabilities in Apache Solr that is used by IBM InfoSphere Information Server were addressed.

Vulnerability Details

CVEID:CVE-2021-27905
**DESCRIPTION:**Apache Solr is vulnerable to server-side request forgery, caused by improper validation of the masterUrl parameter in the ReplicationHandler. By sending a specially-crafted request, an attacker could exploit this vulnerability to conduct SSRF attack.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199848 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2021-29943
**DESCRIPTION:**Apache Solr could allow a remote attacker to bypass security restrictions, caused by a flaw when using ConfigurableInternodeAuthHadoopPlugin for authentication. By sending a specially-crafted request, an attacker could exploit this vulnerability to perform unauthorized read/write to collections.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199851 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID:CVE-2021-29262
**DESCRIPTION:**Apache Solr could allow a remote attacker to obtain sensitive information, caused by a flaw when applying Zookeeper ACLs in the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain the configured authentication and authorization settings information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199850 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

For Red Hat 8 installations:
--Apply IBM InfoSphere Information Server version 11.7.1.3

Contact Technical Support:

In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with Information Server Technical Support.

Workarounds and Mitigations

None