---
cve: "CVE-2016-8635"
severity: "MEDIUM"
cvss: 5.3
epss: "2%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2018-08-01 13:00:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T08:36:10+02:00"
---

# CVE-2016-8635

> 5.3 MEDIUM

## Beschreibung

It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
```

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

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635>
- <http://rhn.redhat.com/errata/RHSA-2016-2779.html>
- <https://security.gentoo.org/glsa/201701-46>
- <http://www.securityfocus.com/bid/94346>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-8635) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_