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GitHub Advisory DatabaseGHSA-J4P3-2M2H-CV5F

HistoryMay 13, 2022 - 1:10 a.m.

Cloud Foundry UAA Denial of Service through client token revocation endpoint

2022-05-1301:10:00

GitHub Advisory Database

github.com

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

JSON

An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1). In some cases, the UAA allows an authenticated user for a particular client to revoke client tokens for other users on the same client. This occurs only if the client is using opaque tokens or JWT tokens validated using the check_token endpoint. A malicious actor could cause denial of service.

Affected configurations

Vulners

Node

wso2identity_serverRange<3.20.1

wso2identity_serverRange<4.5.3

wso2identity_serverRange<4.7.1

CPENameOperatorVersion
org.cloudfoundry.identity:cloudfoundry-identity-serverlt3.20.1
org.cloudfoundry.identity:cloudfoundry-identity-serverlt4.5.3
org.cloudfoundry.identity:cloudfoundry-identity-serverlt4.7.1

Name	Operator	Version
org.cloudfoundry.identity:cloudfoundry-identity-server	lt	3.20.1
org.cloudfoundry.identity:cloudfoundry-identity-server	lt	4.5.3
org.cloudfoundry.identity:cloudfoundry-identity-server	lt	4.7.1

References

github.com/advisories/GHSA-j4p3-2m2h-cv5f

github.com/cloudfoundry/uaa/commit/1e2a746968cdac5b53164ca8955646e4257ecc7

github.com/cloudfoundry/uaa/commit/20808046de8bbdc6fb2ac62829d4cc9d7a19f37

github.com/cloudfoundry/uaa/commit/66166d17781aa257ff77a2fb7c69f72d0b611be

github.com/cloudfoundry/uaa/releases/tag/3.20.1

github.com/cloudfoundry/uaa/releases/tag/4.5.3

github.com/cloudfoundry/uaa/releases/tag/4.7.1

nvd.nist.gov/vuln/detail/CVE-2017-8031

web.archive.org/web/20200227134207/www.securityfocus.com/bid/101967

www.cloudfoundry.org/cve-2017-8031

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

JSON

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