UAA can issue tokens across identity providers if users with matching usernames exist
CVE-2018-15754

4.2MEDIUM

Key Information:

Vendor

Cloud Foundry

Status
Uaa Release
Vendor
CVE Published:
13 December 2018

What is CVE-2018-15754?

Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.

Affected Version(s)

UAA Release 60 < 66.0

References

http://www.securityfocus.com/bid/106240
vdb-entryx_refsource_BID
https://www.cloudfoundry.org/blog/cve-2018-15754/
x_refsource_CONFIRM
https://www.cloudfoundry.org/blog/cve-2018-15754
x_refsource_CONFIRM

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
4.2
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.