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CVE-2020-1947GHSA-V54F-XCMP-43CR

In Apache ShardingSphere(incubator) 4.0.0-RC3 and 4.0.0, the ShardingSphere's web console uses the SnakeYAML library for parsing YAML inputs

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.0.1
4 proofs of concept on GitHub

Summary

In Apache ShardingSphere(incubator) 4.0.0-RC3 and 4.0.0, the ShardingSphere's web console uses the SnakeYAML library for parsing YAML inputs to load datasource configuration. SnakeYAML allows to unmarshal data to a Java type By using the YAML tag. Unmarshalling untrusted data can lead to security flaws of RCE.

Timeline

  1. CVE published
  2. Record last updated
  3. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Apache Software Foundation Apache ShardingSphere(incubator)

    4.0.0-RC3, 4.0.0

  • org.apache.shardingsphere:shardingsphereMaven

    From 4.0.0-RC3 · fixed in 4.0.1

References 5

lists.apache.org

GitHub · StarkChristmas/CVE-2020-1947

GitHub · jas502n/CVE-2020-1947

GitHub · shadowsock5/ShardingSphere_CVE-2020-1947

GitHub · wsfengfan/CVE-2020-1947