Vulnerability Name:

CVE-2021-3162 (CCN-195060)

Assigned:2020-11-02
Published:2020-11-02
Updated:2022-07-12
Summary:Docker Desktop Community before 2.5.0.0 on macOS mishandles certificate checking, leading to local privilege escalation.
CVSS v3 Severity:7.8 High (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 (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
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
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-295
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-3162

Source: CCN
Type: Docker Web site
Docker Desktop Community 2.5.0.0

Source: MISC
Type: Vendor Advisory
https://docs.docker.com/docker-for-mac/release-notes/#docker-desktop-community-2500

Source: XF
Type: UNKNOWN
docker-cve20213162-priv-esc(195060)

Source: MISC
Type: Third Party Advisory
https://twitter.com/_r3ggi

Vulnerable Configuration:Configuration 1:
  • cpe:/a:docker:docker:*:*:*:*:community:*:*:* (Version < 2.5.0.0)
  • AND
  • cpe:/o:apple:macos:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    docker docker *
    apple macos -