Vulnerability Name:

CVE-2019-11270 (CCN-166567)

Assigned:2019-08-01
Published:2019-08-01
Updated:2020-10-02
Summary:Cloud Foundry UAA versions prior to v73.4.0 contain a vulnerability where a malicious client possessing the 'clients.write' authority or scope can bypass the restrictions imposed on clients created via 'clients.write' and create clients with arbitrary scopes that the creator does not possess.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/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): High
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
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:H/A:N/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): High
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-732
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-11270

Source: XF
Type: UNKNOWN
cloudfoundry-cve201911270-sec-bypass(166567)

Source: CCN
Type: Pivotal Web site
CVE-2019-11270: UAA clients.write vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://pivotal.io/security/cve-2019-11270

Source: CONFIRM
Type: Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2019-11270

Source: CCN
Type: Cloud Foundry Blog, August 1, 2019
CVE-2019-11270: UAA clients.write vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pivotal_software:application_service:*:*:*:*:*:*:*:* (Version >= 2.3.0 and < 2.3.15)
  • OR cpe:/a:pivotal_software:application_service:*:*:*:*:*:*:*:* (Version >= 2.4.0 and < 2.4.11)
  • OR cpe:/a:pivotal_software:application_service:*:*:*:*:*:*:*:* (Version >= 2.5.0 and < 2.5.7)
  • OR cpe:/a:pivotal_software:application_service:*:*:*:*:*:*:*:* (Version >= 2.6.0 and < 2.6.2)
  • OR cpe:/a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:* (Version < 73.4.0)
  • OR cpe:/a:pivotal_software:operations_manager:*:*:*:*:*:*:*:* (Version >= 2.3.0 and < 2.3.22)
  • OR cpe:/a:pivotal_software:operations_manager:*:*:*:*:*:*:*:* (Version >= 2.4.0 and < 2.4.16)
  • OR cpe:/a:pivotal_software:operations_manager:*:*:*:*:*:*:*:* (Version >= 2.5.0 and < 2.5.10)
  • OR cpe:/a:pivotal_software:operations_manager:*:*:*:*:*:*:*:* (Version >= 2.6.0 and < 2.6.4)

    • Configuration CCN 1:
  • cpe:/a:pivotal_software:pivotal_application_service:2.3.3:*:*:*:*:*:*:*
  • OR cpe:/a:pivotal_software:pivotal_application_service:2.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:pivotal_software:pivotal_application_service:2.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:pivotal_software:pivotal_application_service:2.6.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    pivotal_software application service *
    pivotal_software application service *
    pivotal_software application service *
    pivotal_software application service *
    pivotal_software cloud foundry uaa *
    pivotal_software operations manager *
    pivotal_software operations manager *
    pivotal_software operations manager *
    pivotal_software operations manager *
    pivotal_software pivotal application service 2.3.3
    pivotal_software pivotal application service 2.4.0
    pivotal_software pivotal application service 2.5.0
    pivotal_software pivotal application service 2.6.0