# CVE-2018-10470: Security feature bypass in Little Snitch

> Attackers can bypass Little Snitch's code signature validation by crafting multi-architecture binaries, confusing users about the validity of running processes.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jun 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-j3vp-xqjf-c8pj

## What is CVE-2018-10470?

CVE-2018-10470 is a medium-severity vulnerability in Objective Development Software GmbH Little Snitch, published on 12 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Little Snitch versions 4.0 to 4.0.6 use the SecStaticCodeCheckValidityWithErrors() function without the kSecCSCheckAllArchitectures flag and therefore do not validate all architectures stored in a fat binary. An attacker can maliciously craft a fat binary containing multiple architectures that may cause a situation where Little Snitch treats the running process as having no code signature at all while erroneously indicating that the binary on disk does have a valid code signature. This could lead to users being confused about whether or not the code signature is valid.

Weakness: CWE-347 (Improper Verification of Cryptographic Signature)

## Which versions are affected by CVE-2018-10470?

It affects 1 product.


Products: Objective Development Little Snitch.

## How do I fix CVE-2018-10470?

No fix has been published for CVE-2018-10470 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-10470 being exploited?

There is no known exploitation of CVE-2018-10470 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10470 and fix it if it is affected.

What it is: CVE-2018-10470 is a medium-severity vulnerability in Objective Development Software GmbH Little Snitch, published on 12 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-10470 in the wild and no public exploit code.

Affected product: Objective Development Software GmbH Little Snitch. 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-2018-10470/ (Markdown: https://insights.sbomify.com/CVE-2018-10470/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10470
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10470
- OSV: https://osv.dev/vulnerability/CVE-2018-10470

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-10470/
Summaries are generated and may contain mistakes; the official description above is the record.