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AUSCERT External Security Bulletin Redistribution
ESB-2024.2501
CVE-2024-27282: Arbitrary memory address read vulnerability with Regex
search
24 April 2024
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AusCERT Security Bulletin Summary
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Product: Ruby
Publisher: Ruby
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2024-27282
Original Bulletin:
https://www.ruby-lang.org/en/news/2024/04/23/arbitrary-memory-address-read-regexp-cve-2024-27282/
Comment: CVSS (Max): None available when published
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CVE-2024-27282: Arbitrary memory address read vulnerability with Regex search
Posted by hsbt on 23 Apr 2024
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:
o For Ruby 3.0 users: Update to 3.0.7
o For Ruby 3.1 users: Update to 3.1.5
o For Ruby 3.2 users: Update to 3.2.4
Affected versions
o Ruby 3.0.6 or lower
o Ruby 3.1.4 or lower
o Ruby 3.2.3 or lower
o Ruby 3.3.0
Credits
Thanks to sp2ip for discovering this issue.
History
o Originally published at 2024-04-23 10:00:00 (UTC)
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