CVE-2023-27590 — Rizin is a UNIX-like reverse engineering framework and command-line toolset

Rizin is a UNIX-like reverse engineering framework and command-line toolset. In version 0.5.1 and prior, converting a GDB registers profile file into a Rizin register profile can result in a stack-based buffer overflow when the `name`, `type`, or `groups` fields have longer value

01What is this vulnerability?

Rizin is a UNIX-like reverse engineering framework and command-line toolset. In version 0.5.1 and prior, converting a GDB registers profile file into a Rizin register profile can result in a stack-based buffer overflow when the `name`, `type`, or `groups` fields have longer values than expected. Users opening untrusted GDB registers files (e.g. with the `drpg` or `arpg` commands) are affected by…

02Affected products

Vendor	Product	Versions
rizinorg	rizin	<= 0.5.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-14T20:37:59.269Z
• Last modified: 2025-02-25T14:57:31.008Z

09References

• github.com — https://github.com/rizinorg/rizin/security/advisories/GHSA-rqcp-m8m2-jcqf
• github.com — https://github.com/rizinorg/rizin/pull/3422
• github.com — https://github.com/rizinorg/rizin/commit/d6196703d89c84467b600ba2692534579dc25ed…
• github.com — https://github.com/rizinorg/rizin/blob/3a7d5116244beb678ad9950bb9dd27d28ed2691f/…
• github.com — https://github.com/rizinorg/rizin/blob/3a7d5116244beb678ad9950bb9dd27d28ed2691f/…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/[email protected]…