---
cve: "CVE-2007-1189"
severity: "LOW"
cvss: 3.1
epss: "77%"
vendor: "n/a"
kev: false
exploited: false
published: "2007-03-02 21:18:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T09:27:41+02:00"
---

# CVE-2007-1189

> 3.1 LOW · 🧪 PoC

## Beschreibung

Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.

## Exploit-Evidenz

- [EDB-3383 — Plan 9 Kernel - 'devenv.c OTRUNC/pwrite' Local Privilege Escalation](https://www.exploit-db.com/exploits/3383) ✅

## Referenzen

- <http://www.securityfocus.com/bid/22749>
- <https://www.exploit-db.com/exploits/3383>
- <http://kernelspace.us/itheft.c>
- <http://osvdb.org/34956>
- <http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2007-1189) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_