# CVE-2018-4087: Memory corruption in n/a

> Attackers can execute arbitrary code or cause denial of service via memory corruption in Core Bluetooth using a crafted app.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 3 Apr 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8582-345j-rwjg

## What is CVE-2018-4087?

CVE-2018-4087 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 3 Apr 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Core Bluetooth" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2018-4087?

It affects 3 products.


Products: Apple Apple Tv, Apple Iphone Os, Apple Watchos.

## How do I fix CVE-2018-4087?

No fix has been published for CVE-2018-4087 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-4087 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-4087 exists.

Public exploit code:

- A sandbox escape based on the proof-of-concept (CVE-2018-4087) by Rani Idan (Zimperium) (github_poc): https://github.com/MTJailed/UnjailMe
- CVE-2018-4087 PoC (github_poc): https://github.com/rani-i/bluetoothdPoC
- Exploit iOS 11.2.x by ZIMPERIUM and semi-completed by me. Sandbox escapes on CVE-2018-4087.  (github_poc): https://github.com/joedaguy/Exploit11.2
- Apple iOS 11.2.5 / watchOS 4.2.2 / tvOS 11.2.5 - 'bluetoothd' Memory Corruption (exploitdb)

## Other vulnerabilities in Apple Iphone Os

- [CVE-2018-4189](https://insights.sbomify.com/CVE-2018-4189/): Memory corruption in n/a (critical 9.8)
- [CVE-2018-4298](https://insights.sbomify.com/CVE-2018-4298/): Missing authorization in n/a (critical 9.8)
- [CVE-2018-4085](https://insights.sbomify.com/CVE-2018-4085/): Memory corruption in n/a (high 8.8)
- [CVE-2018-4088](https://insights.sbomify.com/CVE-2018-4088/): Memory corruption in n/a (high 8.8)
- [CVE-2018-4089](https://insights.sbomify.com/CVE-2018-4089/): Memory corruption in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-4087 and fix it if it is affected.

What it is: CVE-2018-4087 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 3 Apr 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-4087 exists.

Affected product: Apple Iphone Os. 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-2018-4087/ (Markdown: https://insights.sbomify.com/CVE-2018-4087/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-4087
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-4087
- OSV: https://osv.dev/vulnerability/CVE-2018-4087

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-4087/
Summaries are generated and may contain mistakes; the official description above is the record.