CVE-2007-1189

Alcatel-Lucent Bell Labs Plan 9 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-1189. PoCs published by Don Bailey.

AI-analyzed exploit summary This exploit leverages a Plan 9 kernel vulnerability (CVE-2007-1189) to overwrite specific kernel addresses, allowing privilege escalation by manipulating the hostowner file and stealing credentials. It requires precise kernel address knowledge and is highly system-specific.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Don Bailey · clocalplan9
https://www.exploit-db.com/exploits/3383

This exploit leverages a Plan 9 kernel vulnerability (CVE-2007-1189) to overwrite specific kernel addresses, allowing privilege escalation by manipulating the hostowner file and stealing credentials. It requires precise kernel address knowledge and is highly system-specific.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Racy
Target: Plan 9 kernel (specific versions affected by CVE-2007-1189)
No auth needed
Prerequisites: Knowledge of target kernel addresses · Access to Plan 9 system with vulnerable kernel · Ability to execute code on the target system
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/22749
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/3383
Exploit x_refsource_misc
http://kernelspace.us/itheft.c
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/34956

Scores

EPSS 0.0076
EPSS Percentile 50.6%

Details

Status published
Products (1)
bell_labs/plan_9
Published Mar 02, 2007
Tracked Since Feb 18, 2026