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

Security Bulletin

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

Affected Product(s)	Version(s)
InfoSphere Information Server	11.7

Remediation/Fixes

Product	VRMF	APAR	Remediation/First Fix
InfoSphere Information Server, Information Server on Cloud	11.7	JR63832 JR63834	--Apply IBM InfoSphere Information Server version 11.7.1.0 --Apply IBM InfoSphere Information Server version 11.7.1.1 --Apply IBM Information Server version 11.7.1.1 Service Pack 2 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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

08 Jul 2021: Initial Publication
09 Nov 2021: Red Hat 8 installations using 11.7.1.2 should apply 11.7.1.3

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

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