# CVE-2024-5288: Safe-error attack on TLS 1.3 Protocol

> Attackers can recover ECDSA private keys from wolfSSL servers using Rowhammer faults when specific fault-checking options are enabled.

- **Severity:** Medium 5.1 (`CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 27 Aug 2024
- **Updated:** 27 Aug 2024
- **Also known as:** DEBIAN-CVE-2024-5288, GHSA-rrg9-cmw9-3pwx, JLSEC-2026-683, UBUNTU-CVE-2024-5288

## What is CVE-2024-5288?

CVE-2024-5288 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 27 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An issue was discovered in wolfSSL before 5.7.0. A safe-error attack via Rowhammer, namely FAULT+PROBE, leads to ECDSA key disclosure. When WOLFSSL_CHECK_SIG_FAULTS is used in signing operations with private ECC keys,

such as in server-side TLS connections, the connection is halted if any fault occurs. The success rate in a certain amount of connection requests can be processed via an advanced technique for ECDSA key recovery.

Weakness: CWE-922 (Insecure Storage of Sensitive Information)

## Which versions are affected by CVE-2024-5288?

It affects 1 product.


Products: Wolfssl Wolfssl.

## How do I fix CVE-2024-5288?

Upgrade to a fixed version.

## Is CVE-2024-5288 being exploited?

There is no known exploitation of CVE-2024-5288 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-2024-5288 and fix it if it is affected.

What it is: CVE-2024-5288 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 27 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-2024-5288 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-2024-5288/ (Markdown: https://insights.sbomify.com/CVE-2024-5288/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-5288
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-5288
- OSV: https://osv.dev/vulnerability/CVE-2024-5288

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-5288/
Summaries are generated and may contain mistakes; the official description above is the record.