Vulnerability Name:

CVE-2015-6971 (CCN-108902)

Assigned:2015-10-15
Published:2015-10-15
Updated:2017-10-17
Summary:Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0013 allows local users to submit commands to the System Update service (SUService.exe) and gain privileges by launching signed Lenovo executables.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2015-6971

Source: CCN
Type: Lenovo Web site
System Update Update Service

Source: XF
Type: UNKNOWN
lenovo-system-cve20156971-priv-esc(108902)

Source: CONFIRM
Type: Vendor Advisory
https://support.lenovo.com/us/en/product_security/lsu_privilege

Source: CCN
Type: Trustwave SpiderLabs Security Advisory TWSL2015-018
Service Privilege Elevation in Lenovo System Update 5

Source: MISC
Type: Exploit, Third Party Advisory
https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-018/?fid=7172

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lenovo:system_update:*:*:*:*:*:*:*:* (Version <= 5.06.0034)

    • Configuration CCN 1:
  • cpe:/a:lenovo:system_update:5.07.0084:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    lenovo system update *
    lenovo system update 5.07.0084