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GoogleOSV:GHSA-977C-63XQ-CGW3

HistoryJul 05, 2022 - 8:41 p.m.

opensearch-ruby 2.x before 2.0.2 vulnerable to unsafe YAML deserialization

2022-07-0520:41:26

Google

osv.dev

vulnerable

opensearch-ruby

yaml deserialization

patch

upgrade

universal rce

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.003

Percentile

70.2%

JSON

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

References

github.com/opensearch-project/opensearch-ruby

github.com/opensearch-project/opensearch-ruby/commit/d74a98b45c037671e8819fa87f6a6423458ab08a

github.com/opensearch-project/opensearch-ruby/compare/v2.0.1...v2.0.2

github.com/opensearch-project/opensearch-ruby/pull/77

github.com/opensearch-project/opensearch-ruby/security/advisories/GHSA-977c-63xq-cgw3

github.com/rubysec/ruby-advisory-db/blob/master/gems/opensearch-ruby/CVE-2022-31115.yml

nvd.nist.gov/vuln/detail/CVE-2022-31115

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

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.003

Percentile

70.2%

JSON

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