Vulnerability Name:

CVE-2015-2219 (CCN-103027)

Assigned:2015-04-14
Published:2015-04-14
Updated:2016-12-03
Summary:Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses predictable security tokens, which allows local users to gain privileges by sending a valid token with a command to the System Update service (SUService.exe) through an unspecified named pipe.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
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)
5.9 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC: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)
5.9 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC: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-264
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2015-2219

Source: SECTRACK
Type: UNKNOWN
1032268

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

Source: CCN
Type: IOActive’ Web site
Lenovo System Update Multiple Privilege Escalations

Source: CCN
Type: IOActive Security AdvisoryIOActive Security Advisory
Lenovo’s System Update Uses a Predictable Security Token

Source: MISC
Type: UNKNOWN
http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf

Source: BID
Type: UNKNOWN
74649

Source: XF
Type: UNKNOWN
lenovo-update-cve20152219-command-exec(103027)

Source: CCN
Type: Packet Storm Security [05-23-2015]
Lenovo System Update Privilege Escalation

Source: CCN
Type: Lenovo Security Advisory: LEN-2015-011
Lenovo System Update Privilege Escalation

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lenovo:system_update:*:*:*:*:*:*:*:* (Version <= 5.06.0027)

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