# CVE-2024-25714: rhonabwy: In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel att...

CVE-2024-25714 is fixed in rhonabwy on 1 platform by DEBIAN-CVE-2024-25714 (version 1.1.13-2), released February 11, 2024. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2024-25714
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0081
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 11, 2024

## Description

In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel attacks, because it stops the comparison when the first difference is spotted in the two signatures. (The fix uses gnutls_memcmp, which has constant-time execution.)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | rhonabwy Debian 13.5 (trixie) | 1.1.13-2 | [DEBIAN-CVE-2024-25714](https://patchblox.com/security/data/fix/linux/debian-cve-2024-25714.md) | Feb 11, 2024 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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