Vulnerability Name:

CVE-2018-11083 (CCN-150988)

Assigned:2018-10-03
Published:2018-10-03
Updated:2020-01-17
Summary:Cloud Foundry BOSH, versions v264 prior to v264.14.0 and v265 prior to v265.7.0 and v266 prior to v266.8.0 and v267 prior to v267.2.0, allows refresh tokens to be as access tokens when using UAA for authentication. A remote attacker with an admin refresh token given by UAA can be used to access BOSH resources without obtaining an access token, even if their user no longer has access to those resources.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/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): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-11083

Source: XF
Type: UNKNOWN
cloudfoundry-cve201811083-weak-security(150988)

Source: CCN
Type: Cloud Foundry Web site
Open Source Cloud Application Platform

Source: CONFIRM
Type: Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2018-11083

Source: CCN
Type: Cloud Foundry Blog, October 3, 2018
CVE-2018-11083: BOSH accepts refresh token as access token

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cloud_foundry:bosh:*:*:*:*:*:*:*:* (Version >= 264.1 and < 264.14.0)
  • OR cpe:/a:cloud_foundry:bosh:*:*:*:*:*:*:*:* (Version >= 265.1.0 and < 265.7.0)
  • OR cpe:/a:cloud_foundry:bosh:*:*:*:*:*:*:*:* (Version >= 266.2.0 and < 266.8.0)

    • * Denotes that component is vulnerable
    BACK
    cloud_foundry bosh *
    cloud_foundry bosh *
    cloud_foundry bosh *