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GHSA-jphg-qwrw-7w9g

Unsafe object creation in json RubyGem

Source: GitHub Advisory Database (reviewed) High CVE-2020-10663

Packages

EcosystemPackageAffectedFixed in
RubyGems json < 2.3.0 2.3.0

Details

As written in the advisory (Markdown source, shown as plain text).

The JSON gem through 2.2.0 for Ruby, as used in Ruby 2.4 through 2.4.9, 2.5 through 2.5.7, and 2.6 through 2.6.5, has an Unsafe Object Creation Vulnerability. This is quite similar to CVE-2013-0269/GHSA-x457-cw4h-hq5f, but does not rely on poor garbage-collection behavior within Ruby. Specifically, use of JSON parsing methods can lead to creation of a malicious object within the interpreter, with adverse effects that are application-dependent.

References

External links from the advisory. They lead to third-party sites.