CVE-2017-9803
Description
Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application. There are two issues with this functionality (when using SecurityAwareZkACLProvider type of ACL provider e.g. SaslZkACLProvider). Firstly, access to the security configuration can be leaked to users other than the solr super user. Secondly, malicious users can exploit this leaked configuration for privilege escalation to further expose/modify private data and/or disrupt operations in the Solr cluster. The vulnerability is fixed from Apache Solr 6.6.1 onwards.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.solr:solr-coreMaven | >= 6.2.0, < 6.6.1 | 6.6.1 |
Affected products
11cpe:2.3:a:apache:solr:6.2.0:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:a:apache:solr:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:solr:6.6.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- www.securityfocus.com/bid/100870nvdThird Party AdvisoryVDB Entry
- github.com/advisories/GHSA-f553-j2gv-g5r9ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2017-9803ghsaADVISORY
- issues.apache.org/jira/browse/SOLR-11184ghsaWEB
- lists.apache.org/thread/f4rbt657n9x4kb74k1txhcojof5dzol5ghsaWEB
- mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%2BR_fcXD0C9s5mQ-OzdgYdnHz49u1KmXw%40mail.gmail.com%3Envd
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