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CVE-2017-3163

UnknownEPSS 6.56%

Last modified

CVE-2017-3163 is a vulnerability of currently unknown severity. When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts a file name. However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to craft a special request involving path traversal, leaving any file readable to the Solr server process exposed. EPSS estimates a 6.56% chance of exploitation in the next 30 days.

Description

When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts a file name. However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to craft a special request involving path traversal, leaving any file readable to the Solr server process exposed. Solr servers protected and restricted by firewall rules and/or authentication would not be at risk since only trusted clients and users would gain direct HTTP access.

Metrics

EPSS Probability
6.56%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheSolr<= 5.5.3
ApacheSolr6.0.0
ApacheSolr6.0.1
ApacheSolr6.1.0
ApacheSolr6.2.0
ApacheSolr6.2.1
ApacheSolr6.3.0
ApacheSolr6.4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-3163?
When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts a file name. However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to craft a special request involving path traversal, leaving any file readable to the Solr server process exposed. Solr servers protected and restricted by firewall rules and/or authentication would not be at risk since only trusted clients and users would gain direct HTTP access.
How severe is CVE-2017-3163?
Severity scoring for CVE-2017-3163 is pending analysis. The EPSS model estimates a 6.56% probability of exploitation in the next 30 days.
How do I fix CVE-2017-3163?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST