SystemTap 1.3 Configuration File access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

A vulnerability classified as critical has been found in SystemTap 1.3. This affects an unknown functionality of the component Configuration File. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 11/17/2010 by Tavis Ormandy (Website). The advisory is shared at sources.redhat.com. This vulnerability is uniquely identified as CVE-2010-4170. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by Tavis Ormandy and been published 2 weeks after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 68147 (Oracle Linux 4 : systemtap (ELSA-2010-0895)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155496 (Oracle Enterprise Linux Update for SystemTap (ELSA-2010-0894)).

Upgrading to version 1.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (68147) and Exploit-DB (15620). Similar entry is available at 55666.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Tavis Ormandy
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68147
Nessus Name: Oracle Linux 4 : systemtap (ELSA-2010-0895)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70564
OpenVAS Name: Debian Security Advisory DSA 2348-1 (systemtap)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: SystemTap 1.3
Patch: b7565b41228bea196cefa3a7d43ab67f8f9152e2

Timelineinfo

11/04/2010 🔍
11/17/2010 +13 days 🔍
11/17/2010 +0 days 🔍
11/17/2010 +0 days 🔍
11/17/2010 +0 days 🔍
11/18/2010 +1 days 🔍
11/23/2010 +4 days 🔍
11/26/2010 +3 days 🔍
11/26/2010 +0 days 🔍
12/07/2010 +11 days 🔍
07/12/2013 +948 days 🔍
03/19/2015 +615 days 🔍
10/06/2021 +2393 days 🔍

Sourcesinfo

Advisory: RHSA-2010:0895
Researcher: Tavis Ormandy
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-4170 (🔍)
OVAL: 🔍

X-Force: 63344
Vulnerability Center: 28343 - SystemTap Local Arbitrary Code Execution Vulnerability, High
SecurityFocus: 44914 - SystemTap 'modprob' Command Environment Variable Local Privilege Escalation Vulnerability
Secunia: 42256
OSVDB: 69489 - SystemTap /usr/bin/staprun Kernel Module Loading Local Privilege Escalation

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 10/06/2021 13:07
Changes: 03/19/2015 14:37 (66), 03/10/2017 10:18 (17), 10/06/2021 12:52 (9), 10/06/2021 13:00 (2), 10/06/2021 13:07 (2)
Complete: 🔍

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