# CVE-2024-31670: Memory corruption in n/a

> A buffer overflow in Rizin's dyldcache parser allows attackers to execute arbitrary code or cause denial of service via crafted files.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Dec 2024
- **Updated:** 13 Dec 2024
- **Also known as:** GHSA-cvmq-g63x-rjjh

## What is CVE-2024-31670?

CVE-2024-31670 is a medium-severity memory corruption vulnerability in n/a, published on 12 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

rizin before v0.6.3 is vulnerable to Buffer Overflow via create_cache_bins, read_cache_accel, and rz_dyldcache_new_buf functions in librz/bin/format/mach0/dyldcache.c.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2024-31670?

It affects 1 product.


Products: Rizin Rizin.

## How do I fix CVE-2024-31670?

No fix has been published for CVE-2024-31670 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-31670 being exploited?

There is no known exploitation of CVE-2024-31670 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2024-31668](https://insights.sbomify.com/CVE-2024-31668/): rizin before v0.6.3 is vulnerable to Improper Neutralization of Special Elements via meta_set function in librz/analysis/meta. (critical 9.1)
- [CVE-2023-40022](https://insights.sbomify.com/CVE-2023-40022/): Rizin vulnerable to Integer Overflow in C++ demangler logic (high 7.8)
- [CVE-2021-3674](https://insights.sbomify.com/CVE-2021-3674/): Memory corruption in rizin (high 7.8)
- [CVE-2023-27590](https://insights.sbomify.com/CVE-2023-27590/): Rizin has stack-based buffer overflow when parsing GDB registers profile files (high 7.8)
- [CVE-2022-36039](https://insights.sbomify.com/CVE-2022-36039/): Out-of-bounds write when parsing DEX files in Rizin (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-31670 and fix it if it is affected.

What it is: CVE-2024-31670 is a medium-severity memory corruption vulnerability in n/a, published on 12 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-31670 in the wild and no public exploit code.

Affected product: n/a. 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-2024-31670/ (Markdown: https://insights.sbomify.com/CVE-2024-31670/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-31670
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-31670
- OSV: https://osv.dev/vulnerability/CVE-2024-31670

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-31670/
Summaries are generated and may contain mistakes; the official description above is the record.