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CVE-2010-4170

Status Candidate

Overview

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.

Related Files

SystemTap 1.3 MODPROBE_OPTIONS Privilege Escalation
Posted Apr 19, 2019
Authored by Tavis Ormandy, Brendan Coles | Site metasploit.com

This Metasploit module attempts to gain root privileges by exploiting a vulnerability in the staprun executable included with SystemTap version 1.3. The staprun executable does not clear environment variables prior to executing modprobe, allowing an arbitrary configuration file to be specified in the MODPROBE_OPTIONS environment variable, resulting in arbitrary command execution with root privileges. This module has been tested successfully on: systemtap 1.2-1.fc13-i686 on Fedora 13 (i686); and systemtap 1.1-3.el5 on RHEL 5.5 (x64).

tags | exploit, arbitrary, root
systems | linux, fedora
advisories | CVE-2010-4170
SHA-256 | 57d955347310170d1a380dba46ef41462b10f297e733fec17201a3831094af3b
Debian Security Advisory 2348-1
Posted Nov 21, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2348-1 - Several vulnerabilities were discovered in SystemTap, an instrumentation system for Linux.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2010-4170, CVE-2010-4171, CVE-2011-2503
SHA-256 | 11d65241a42e9924fa1a4281af619cedbc575a94bda21b4bad0f19ecaf7eddc5
Linux Systemtap Privilege Escalation
Posted Nov 26, 2010
Authored by Tavis Ormandy

This code demonstrates a local privilege escalation vulnerability in systemtap.

tags | exploit, local
advisories | CVE-2010-4170
SHA-256 | fd7691a08020e68fc8cc7b5dd46bd1790de570b5d43ecd78597ce5d6e5cb8cad
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