Privilege Escalation in Apache Solr's Kerberos Plugin
CVE-2017-9803

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Solr
Vendor
CVE Published:
18 September 2017

What is CVE-2017-9803?

The Kerberos plugin in Apache Solr is susceptible to serious security flaws related to delegation token functionality. When configured to use the SecurityAwareZkACLProvider type of ACL provider (such as SaslZkACLProvider), sensitive security configurations can inadvertently be accessed by users other than the designated Solr super user. This leakage opens the door for attackers to manipulate these configurations for privilege escalation, leading to unauthorized access, exposure of private data, or disruption of operations within the Solr cluster. This vulnerability has been addressed and resolved in Apache Solr version 6.6.1 and later.

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Affected Version(s)

Apache Solr 6.2.0 to 6.6.0

References

http://www.securityfocus.com/bid/100870
vdb-entryx_refsource_BID
http://mail-archives.us.apache.org/mod_mbox/www-announce/...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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