Fault Injection of EdDSA signature in WolfCrypt

published 2024-08-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27825

cvss: 6.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Fault Injection vulnerability in wc_ed25519_sign_msg function in wolfssl/wolfcrypt/src/ed25519.c in WolfSSL wolfssl5.6.6 on Linux/Windows allows remote attacker co-resides in the same system with a victim process to disclose information and escalate privileges via Rowhammer fault injection to the ed25519_key structure.

Patch / fix

distros 1 links 1

wolfssl Debian 13 5.7.0-0.3

debian advisories DEBIAN-CVE-2024-2881

github.com/wolfSSL/wolfssl/releases/tag/v5.7.0-stable release

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-30)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.7	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

WolfSSL wolfCrypt

Classification

Weakness

CWE-1256 Improper Restriction of Software Interfaces to Hardware Features
CWE-252 Unchecked Return Value
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /wolfSSL/wolfssl/releases/tag/v5.7.0-stable
release-notes

Sources

CVE List CVE-2024-2881
NVD CVE-2024-2881

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary