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GHSA-977c-63xq-cgw3
No affected components available
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
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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