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CVE-2022-31115

opensearch-ruby is a community-driven, open source fork of elasticsearch-ruby. In versions prior to 2.0.1 the ruby YAML.load function was used instead of YAML.safe_load. As a result opensearch-ruby 2.0.0 and prior can lead to unsafe deserialization using YAML.load if the response is of type YAML. An attacker must be in control of an opensearch server and convince the victim to connect to it in order to exploit this vulnerability. The problem has been patched in opensearch-ruby gem version 2.0.1. Users are advised to upgrade. There are no known workarounds for this issue.

CVE
#vulnerability#git#ruby

Impact

A YAML deserialization in opensearch-ruby 2.0.0 can lead to unsafe deserialization using YAML.load if the response is of type YAML.

Patches

The problem has been patched in opensearch-ruby gem version 2.0.2.

Workarounds

No viable workaround. Please upgrade to 2.0.2

References

#77
https://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated/

For more information

If you have any questions or comments about this advisory:

  • Open an issue in opensearch-ruby

Related news

GHSA-977c-63xq-cgw3: Unsafe YAML deserialization in opensearch-ruby

### Impact A YAML deserialization in opensearch-ruby 2.0.0 can lead to unsafe deserialization using YAML.load if the response is of type YAML. ### Patches The problem has been patched in opensearch-ruby gem version 2.0.2. ### Workarounds No viable workaround. Please upgrade to 2.0.2 ### References https://github.com/opensearch-project/opensearch-ruby/pull/77 https://staaldraad.github.io/post/2021-01-09-universal-rce-ruby-yaml-load-updated/ ### For more information If you have any questions or comments about this advisory: * Open an issue in [opensearch-ruby](https://github.com/opensearch-project/opensearch-ruby)

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