Vulnerability Name:

CVE-2019-8461 (CCN-166349)

Assigned:2019-08-26
Published:2019-08-26
Updated:2019-10-09
Summary:Check Point Endpoint Security Initial Client for Windows before version E81.30 tries to load a DLL placed in any PATH location on a clean image without Endpoint Client installed. An attacker can leverage this to gain LPE using a specially crafted DLL placed in any PATH location accessible with write permissions to the user.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/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): None
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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-2019-8461

Source: XF
Type: UNKNOWN
checkpoint-cve20198461-priv-esc(166349)

Source: MISC
Type: Exploit, Third Party Advisory
https://safebreach.com/Post/Check-Point-Endpoint-Security-Initial-Client-for-Windows-Privilege-Escalation-to-SYSTEM

Source: CCN
Type: Check Point Web site
Enterprise Endpoint Security E81.30 Windows Clients

Source: MISC
Type: Patch, Vendor Advisory
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk160812

Vulnerable Configuration:Configuration 1:
  • cpe:/a:checkpoint:capsule_docs_standalone_client:*:*:*:*:*:*:*:* (Version < e80.20)
  • OR cpe:/a:checkpoint:endpoint_security:*:*:*:*:*:windows:*:* (Version < e81.30)
  • OR cpe:/a:checkpoint:remote_access_clients:*:*:*:*:*:windows:*:* (Version < e81.30)

    • * Denotes that component is vulnerable
    BACK
    checkpoint capsule docs standalone client *
    checkpoint endpoint security *
    checkpoint remote access clients *