Vulnerability Name:

CVE-2018-15761 (CCN-153131)

Assigned:2018-11-01
Published:2018-11-01
Updated:2019-10-09
Summary:Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
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-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-15761

Source: CCN
Type: IBM Security Bulletin 793867 (Cloud Private Cloud Foundry)
A Security Vulnerability affects IBM Cloud Private Cloud Foundry (CVE-2018-15761)

Source: XF
Type: UNKNOWN
cloudfoundry-cve201815761-priv-esc(153131)

Source: CCN
Type: Cloud Foundry Blog, November 1, 2018
CVE-2018-15761: UAA Privilege Escalation

Source: CONFIRM
Type: Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2018-15761/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-15761

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:* (Version < 4.23.0)
  • OR cpe:/a:pivotal_software:cloudfoundry_uaa_release:*:*:*:*:*:*:*:* (Version < 64.0)

    • Configuration CCN 1:
  • cpe:/a:pivotal_software:cloud_foundry_uaa:4.22.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    pivotal_software cloud foundry uaa *
    pivotal_software cloudfoundry uaa release *
    pivotal_software cloud foundry uaa 4.22.0