Vulnerability Name:

CVE-2019-6196 (CCN-174366)

Assigned:2019-01-11
Published:2020-01-14
Updated:2020-06-22
Summary:A symbolic link vulnerability in some Lenovo installation packages, prior to version 1.2.9.3, could allow privileged file operations during file extraction and installation.
CVSS v3 Severity:7.3 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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): Required
Scope:Scope (S): Unchanged
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:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
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-426
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-6196

Source: XF
Type: UNKNOWN
lenovo-cve20196196-priv-esc(174366)

Source: CCN
Type: Lenovo Security Advisory: LEN-27431
DLL Search Path and Symbolic Link Vulnerabilities

Source: MISC
Type: Patch, Vendor Advisory
https://support.lenovo.com/us/en/product_security/len-27431

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lenovo:installation_package:*:*:*:*:*:*:*:* (Version < 1.2.9.3)

    • * Denotes that component is vulnerable
    BACK
    lenovo installation package *