Vulnerability Name:

CVE-2018-6957 (CCN-140361)

Assigned:2018-03-15
Published:2018-03-15
Updated:2019-10-03
Summary:VMware Workstation (14.x before 14.1.1, 12.x) and Fusion (10.x before 10.1.1 and 8.x) contain a denial-of-service vulnerability which can be triggered by opening a large number of VNC sessions.
Note: In order for exploitation to be possible on Workstation and Fusion, VNC must be manually enabled.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
CWE-772
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-6957

Source: BID
Type: Third Party Advisory, VDB Entry
103431

Source: CCN
Type: BID-103431
Multiple VMware Products CVE-2018-6957 Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040539

Source: XF
Type: UNKNOWN
vmware-cve20186957-dos(140361)

Source: CCN
Type: Talos Vulnerability Report TALOS-2017-0376
VMware VNC Lock Count Denial of Service Vulnerability

Source: CCN
Type: VMware Security Advisory VMSA-2018-0008
Workstation and Fusion updates address a denial-of-service vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2018-0008.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:workstation_pro:12.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.01:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:12.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_pro:*:*:*:*:*:*:*:* (Version >= 14.0 and < 14.1.1)

    • Configuration 2:
  • cpe:/a:vmware:workstation_player:12.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:12.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation_player:*:*:*:*:*:*:*:* (Version >= 14.0 and < 14.1.1)

    • Configuration 3:
  • cpe:/a:vmware:fusion:8.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.5.8:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:vmware:fusion:*:*:*:*:*:*:*:* (Version >= 10.0 and < 10.1.1)

    • Configuration CCN 1:
  • cpe:/a:vmware:workstation:12.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:workstation:14.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:10.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:fusion:8.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    vmware workstation pro 12.0
    vmware workstation pro 12.01
    vmware workstation pro 12.1
    vmware workstation pro 12.1.1
    vmware workstation pro 12.5
    vmware workstation pro 12.5.1
    vmware workstation pro 12.5.2
    vmware workstation pro 12.5.3
    vmware workstation pro 12.5.4
    vmware workstation pro 12.5.5
    vmware workstation pro 12.5.6
    vmware workstation pro 12.5.7
    vmware workstation pro *
    vmware workstation player 12.0
    vmware workstation player 12.0.1
    vmware workstation player 12.1
    vmware workstation player 12.1.1
    vmware workstation player 12.5
    vmware workstation player 12.5.1
    vmware workstation player 12.5.2
    vmware workstation player 12.5.3
    vmware workstation player 12.5.4
    vmware workstation player 12.5.5
    vmware workstation player 12.5.6
    vmware workstation player 12.5.7
    vmware workstation player *
    vmware fusion 8.0
    vmware fusion 8.0.1
    vmware fusion 8.0.2
    vmware fusion 8.1
    vmware fusion 8.1.1
    vmware fusion 8.5
    vmware fusion 8.5.1
    vmware fusion 8.5.2
    vmware fusion 8.5.3
    vmware fusion 8.5.4
    vmware fusion 8.5.5
    vmware fusion 8.5.6
    vmware fusion 8.5.7
    vmware fusion 8.5.8
    vmware fusion *
    vmware workstation 12.0
    vmware workstation 14.0
    vmware fusion 10.0
    vmware fusion 8.0