---
cve: "CVE-2016-4657"
severity: "HIGH"
cvss: 8.8
epss: "63.6%"
vendor: "n/a"
kev: true
exploited: true
published: "2016-08-25 21:59:02"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T06:45:58+02:00"
---

# CVE-2016-4657

> 8.8 HIGH · ⚠️ CISA KEV (1578 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Exploit-Evidenz

- [EDB-44836 — WebKit - not_number defineProperties UAF (Metasploit)](https://www.exploit-db.com/exploits/44836) ✅
- [EDB-44213 — Nintendo Switch - WebKit Code Execution (PoC)](https://www.exploit-db.com/exploits/44213)

## Referenzen

- <https://blog.lookout.com/blog/2016/08/25/trident-pegasus/>
- <https://www.youtube.com/watch?v=xkdPjbaLngE>
- <https://www.exploit-db.com/exploits/44836/>
- <http://www.securityfocus.com/bid/92653>
- <https://support.apple.com/HT207107>
- <http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html>
- <http://www.securitytracker.com/id/1036694>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4657>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-4657) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_