Lenovo System Update up to 5.6.0.27 Security Token SUService.exe access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Lenovo System Update up to 5.6.0.27. This affects an unknown part of the file SUService.exe of the component Security Token Handler. The manipulation leads to access control. This vulnerability is traded as CVE-2015-2219. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo System Update up to 5.6.0.27 and classified as problematic. This issue affects an unknown functionality of the file SUService.exe of the component Security Token Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The weakness was shared 04/14/2015 with IOActive as LEN-2015-011 as confirmed advisory (Website). The advisory is shared at ioactive.com. The identification of this vulnerability is CVE-2015-2219 since 03/05/2015. An attack has to be approached locally. The successful exploitation needs a simple authentication. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

Lenovo System Update uses a service called SUService.exe to run system updates. As part of the authentication and validation process the service only accepts commands if a valid security token is passed along with the command. Vulnerabilities were discovered on how the security tokens were generated allowing an attacker to run commands.

The exploit is available at packetstormsecurity.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 83736 (Lenovo System Update < 5.06.0034 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124280 (Lenovo System Update Service Multiple Security Vulnerabilities).

Upgrading to version 5.06.0034 eliminates this vulnerability. The upgrade is hosted for download at support.lenovo.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (41708), Tenable (83736), SecurityFocus (BID 74634†), SecurityTracker (ID 1032268†) and Vulnerability Center (SBV-49986†). The entries VDB-75210, VDB-75211, VDB-100493 and VDB-100494 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Lenovo ThinkPad
  • Lenovo ThinkCentre
  • Lenovo ThinkStation
  • Lenovo V/B/K/E

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83736
Nessus Name: Lenovo System Update < 5.06.0034 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: lenovo_systemupdate.rb
MetaSploit Name: Lenovo System Update Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: System Update 5.06.0034

Timelineinfo

03/05/2015 🔍
04/01/2015 +27 days 🔍
04/14/2015 +13 days 🔍
05/06/2015 +22 days 🔍
05/06/2015 +0 days 🔍
05/07/2015 +1 days 🔍
05/07/2015 +0 days 🔍
05/12/2015 +5 days 🔍
05/12/2015 +0 days 🔍
05/21/2015 +9 days 🔍
06/08/2025 +3671 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: LEN-2015-011
Organization: IOActive
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2219 (🔍)
GCVE (CVE): GCVE-0-2015-2219
GCVE (VulDB): GCVE-100-75209
SecurityFocus: 74634 - Lenovo System Update CVE-2015-2234 Local Privilege Escalation Vulnerability
SecurityTracker: 1032268 - Lenovo System Update Lets Local Users Gain System Privileges and Remote Users Bypass Certificate Validation
Vulnerability Center: 49986 - IBM Lenovo System Update before 5.06.0034 Local Code Execution Related to Security Tokens, High

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

Entryinfo

Created: 05/07/2015 10:19
Updated: 06/08/2025 03:27
Changes: 05/07/2015 10:19 (78), 06/28/2017 06:22 (4), 05/10/2022 10:42 (3), 05/10/2022 10:47 (1), 06/09/2024 09:13 (18), 06/08/2025 03:27 (1)
Complete: 🔍
Cache ID: 216:0CF:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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