Arbitrary File Access Affecting org.apache.solr:solr-core Open this link in a new tab package, versions [,8.6.0)

  • Attack Complexity


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  • snyk-id


  • published

    17 Aug 2020

  • disclosed

    17 Aug 2020

  • credit


How to fix?

Upgrade org.apache.solr:solr-core to version 8.6.0 or higher.


org.apache.solr:solr-core is an open source enterprise search platform built on Apache Lucene

Affected versions of this package are vulnerable to Arbitrary File Access. The Replication handler allows commands backup, restore and deleteBackup that take unvalidated alocation parameter, i.e you could read/write to any location the solr user can access. Launching SMB attacks which may result in the exfiltration of sensitive data such as OS user hashes (NTLM/LMhashes). In case of misconfigured systems, SMB Relay Attacks which can lead to user impersonation on SMB Shares or, in a worse-case scenario, Remote Code Execution.