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CVE

CVE-2017-8031

An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior

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.

MEDIUM · CVSS 5.3 EPSS 0.00419
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

4
cloudfoundry cf-release<= 278
cloudfoundry uaa-release>= 30 and < 30.6
cloudfoundry uaa-release>= 45 and < 45.4
cloudfoundry uaa-releaseall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.cloudfoundry.identity:cloudfoundry-identity-server MODERATE fixed in 4.7.1
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security_alert@emc.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Nov 2017 · 10:29 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101967Third Party AdvisoryVDB Entry
https://www.cloudfoundry.org/cve-2017-8031/Issue TrackingThird Party Advisory
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