Vulnerability Name:

CVE-2019-11279 (CCN-168640)

Assigned:2019-09-10
Published:2019-09-10
Updated:2020-10-05
Summary:CF UAA versions prior to 74.1.0 can request scopes for a client that shouldn't be allowed by submitting an array of requested scopes. A remote malicious user can escalate their own privileges to any scope, allowing them to take control of UAA and the resources it controls.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-11279

Source: XF
Type: UNKNOWN
cloudfoundry-cve201911279-priv-esc(168640)

Source: CONFIRM
Type: Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2019-11279

Source: CCN
Type: Cloud Foundry Blog, September 10, 2019
CVE-2019-11279: Privilege Escalation via Scope Manipulation in UAA

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cloudfoundry:uaa_release:*:*:*:*:*:*:*:* (Version < 74.1.0)

    • Configuration CCN 1:
  • cpe:/a:pivotal_software:cloud_foundry_uaa:73.4.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cloudfoundry uaa release *
    pivotal_software cloud foundry uaa 73.4.0