Vulnerability Name:

CVE-2016-5729 (CCN-114716)

Assigned:2016-06-23
Published:2016-06-23
Updated:2019-09-27
Summary:Lenovo BIOS EFI Driver allows local administrators to execute arbitrary code with System Management Mode (SMM) privileges via unspecified vectors.
CVSS v3 Severity:8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN 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 (CCN 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
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-5729

Source: BID
Type: Third Party Advisory, VDB Entry
91536

Source: CCN
Type: BID-91536
Multiple Lenovo Products SMM CVE-2016-5729 Local Code Execution Vulnerability

Source: XF
Type: UNKNOWN
lenovo-bios-cve20165729-priv-esc(114716)

Source: CCN
Type: Lenovo Security Advisory: LEN-4901
BIOS EFI Driver SMM Code Execution Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://support.lenovo.com/us/en/product_security/len_4901

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lenovo:bios_efi_driver:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:lenovo:bios_efi_driver:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
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