Cloud Foundry Container Runtime up to 0.28.x Certificate access control

Summaryinfo

A vulnerability was found in Cloud Foundry Container Runtime up to 0.28.x and classified as critical. Affected by this issue is some unknown functionality of the component Certificate. Executing a manipulation as part of Certificate can lead to access control. This vulnerability is handled as CVE-2019-3779. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cloud Foundry Container Runtime up to 0.28.x (Virtualization Software). It has been declared as critical. This vulnerability affects an unknown code of the component Certificate. The manipulation as part of a Certificate leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cloud Foundry Container Runtime, versions prior to 0.29.0, deploys Kubernetes clusters utilize the same CA (Certificate Authority) to sign and trust certs for ETCD as used by the Kubernetes API. This could allow a user authenticated with a cluster to request a signed certificate leveraging the Kubernetes CSR capability to obtain a credential that could escalate privilege access to ETCD.

The bug was discovered 02/14/2019. The weakness was released 03/08/2019 (Website). The advisory is available at cloudfoundry.org. This vulnerability was named CVE-2019-3779 since 01/03/2019. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.29.0 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-131507. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Virtualization Software

Vendor

• Cloud Foundry

Name

• Container Runtime

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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