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CVE-2024-25714

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Date: February 10, 2024

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.)

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

Comparison Logic is Vulnerable to Power Side-Channel Attacks

CWE-1255

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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