CVE-2017-4970

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Summary

CVECVE-2017-4970
StatePUBLISHED
Assignerdell
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-06-13 06:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionAn issue was discovered in Cloud Foundry Foundation cf-release v255 and Staticfile buildpack versions v1.4.0 - v1.4.3. A regression introduced in the Static file build pack causes the Staticfile.auth configuration to be ignored when the Static file file is not present in the application root. Applications containing a Staticfile.auth file but not a Static file had their basic auth turned off when an operator upgraded the Static file build pack in the foundation to one of the vulnerable versions. Note that Static file applications without a Static file are technically misconfigured, and will not successfully detect unless the Static file build pack is explicitly specified.

Risk And Classification

Primary CVSS: v3.0 5.9 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Problem Types: NVD-CWE-noinfo | Staticfile buildpack ignores basic authentication when misconfigured

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cloudfoundry Cf-release 255 All All All
Application Cloudfoundry Staticfile Buildpack 1.4.0 All All All
Application Cloudfoundry Staticfile Buildpack 1.4.1 All All All
Application Cloudfoundry Staticfile Buildpack 1.4.2 All All All
Application Cloudfoundry Staticfile Buildpack 1.4.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cloud Foundry affected Cloud Foundry Not specified

References

ReferenceSourceLinkTags
CVE-2017-4970: Static file buildpack ignores basic authentication when misconfigured | Cloud Foundry af854a3a-2127-422b-91ae-364da2661108 www.cloudfoundry.org Mitigation, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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