CVE-2024-25714 — Observable Discrepancy in Rhonabwy

CWE-203 — Observable DiscrepancyCWE-1255 — Comparison Logic is Vulnerable to Power Side-Channel Attacks4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 59.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Rhonabwy Project RhonabwyDebian RhonabwyDebian Linux
Timeline
PublishedFeb 11

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.)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/rhonabwy< rhonabwy 1.1.13-2 (trixie)
▶Debianrhonabwy_project/rhonabwy< 1.1.13-2

Also affects: Debian Linux 11.0, 12.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-69gh-8q3c-phmc: In Rhonabwy through 1↗2024-02-11
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OSV
CVE-2024-25714: In Rhonabwy through 1↗2024-02-11
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📋Vendor Advisories

1
Debian
CVE-2024-25714: rhonabwy - In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function t...↗2024
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CVE-2024-25714 — Observable Discrepancy in Rhonabwy | cvebase