# CVE-2024-2881: Fault Injection of EdDSA signature in WolfCrypt

> A remote attacker co-resident on the system can use Rowhammer fault injection to disclose information and escalate privileges in WolfSSL.

- **Severity:** Medium 6.7 (`CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 29 Aug 2024
- **Updated:** 30 Aug 2024
- **Also known as:** DEBIAN-CVE-2024-2881, GHSA-p7fr-35j6-p64g, UBUNTU-CVE-2024-2881

## What is CVE-2024-2881?

CVE-2024-2881 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 29 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

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.

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

## Which versions are affected by CVE-2024-2881?

It affects 1 product.


Products: Wolfssl Wolfssl.

## How do I fix CVE-2024-2881?

Apply the vendor's patch.

## Is CVE-2024-2881 being exploited?

There is no known exploitation of CVE-2024-2881 in the wild and no public exploit code.

## Other vulnerabilities in Wolfssl Wolfssl

- [CVE-2024-5991](https://insights.sbomify.com/CVE-2024-5991/): Buffer overread in domain name matching (critical 10.0)
- [CVE-2021-37155](https://insights.sbomify.com/CVE-2021-37155/): Security feature bypass in n/a (critical 9.8)
- [CVE-2020-36177](https://insights.sbomify.com/CVE-2020-36177/): Memory corruption in n/a (critical 9.8)
- [CVE-2014-2896](https://insights.sbomify.com/CVE-2014-2896/): Memory corruption in n/a (critical 9.8)
- [CVE-2014-2897](https://insights.sbomify.com/CVE-2014-2897/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-2881 and fix it if it is affected.

What it is: CVE-2024-2881 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 29 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-2881 in the wild and no public exploit code.

Affected product: Wolfssl Wolfssl. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-2881/ (Markdown: https://insights.sbomify.com/CVE-2024-2881/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-2881
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-2881
- OSV: https://osv.dev/vulnerability/CVE-2024-2881

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-2881/
Summaries are generated and may contain mistakes; the official description above is the record.