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Last updated: 9/3/2014 12:46:13 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-4170

Original release date: 12/07/2010
Last revised: 07/27/2012
Source: US-CERT/NIST

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 42256
Type: Advisory
External Source: DEBIAN
Name: DSA-2348
External Source: FEDORA
Name: FEDORA-2010-17868
External Source: FEDORA
Name: FEDORA-2010-17865
External Source: XF
Name: systemtap-staprun-priv-escalation(63344)
External Source: REDHAT
Name: RHSA-2010:0895
External Source: CONFIRM
Name: http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commit;h=b7565b41228bea196cefa3a7d43ab67f8f9152e2
Type: Patch Information
External Source: MLIST
Name: [systemtap] 20101117 important systemtap security fix
External Source: SECUNIA
Name: 42318
Type: Advisory
External Source: SECUNIA
Name: 42263
Type: Advisory
External Source: REDHAT
Name: RHSA-2010:0894
External Source: BID
Name: 44914
External Source: EXPLOIT-DB
Name: 15620
External Source: SECUNIA
Name: 42306
Type: Advisory
External Source: FEDORA
Name: FEDORA-2010-17873
External Source: SECTRACK
Name: 1024754
External Source: SECUNIA
Name: 46920

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)