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2024-04-23-arbitrary-memory-address-read-regexp-cve-2024-27282.md

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news_post
CVE-2024-27282: Arbitrary memory address read vulnerability with Regex search
hsbt
2024-04-23 10:00:00 +0000
security
en

We have released the Ruby version 3.0.7, 3.1.5, 3.2.4 and 3.3.1 that have a security fix for an arbitrary memory address read vulnerability in Regex search. This vulnerability has been assigned the CVE identifier CVE-2024-27282.

Details

An issue was discovered in Ruby 3.x through 3.3.0.

If attacker-supplied data is provided to the Ruby regex compiler, it is possible to extract arbitrary heap data relative to the start of the text, including pointers and sensitive strings.

Recommended action

We recommend to update the Ruby to version 3.3.1 or later. In order to ensure compatibility with older Ruby series, you may update as follows instead:

  • For Ruby 3.0 users: Update to 3.0.7
  • For Ruby 3.1 users: Update to 3.1.5
  • For Ruby 3.2 users: Update to 3.2.4
  • For Ruby 3.3 users: Update to 3.3.1

Affected versions

  • Ruby 3.0.6 or lower
  • Ruby 3.1.4 or lower
  • Ruby 3.2.3 or lower
  • Ruby 3.3.0

Credits

Thanks to sp2ip for discovering this issue.

History

  • Originally published at 2024-04-23 10:00:00 (UTC)