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CVE-2010-4170

HighPublished

The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which allows local users to gain privileges by...

Published: Dec 7, 2010
Updated: Aug 7, 2024
Assigning CNA: redhat
Evidence observed: Nov 26, 2010

Primary CVSS

7.2/ 10High

nvd · CVSS 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

5.3%

Low · next 30 days

Percentile: 92.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which allows local users to gain privileges by setting the MODPROBE_OPTIONS environment variable to specify a malicious configuration file.

Sources

SystemTap - Local Privilege EscalationExploit
Tavis Ormandy · linux · Nov 26, 2010
SystemTap 1.3 - MODPROBE_OPTIONS Privilege Escalation (Metasploit)Exploit
Metasploit · linux · Apr 19, 2019

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