Opscode Chef Infra up to 0.10.4 Access Restriction access control

Summaryinfo

A vulnerability, which was classified as critical, has been found in Opscode Chef Infra. Impacted is an unknown function of the component Access Restriction. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2011-5098. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Opscode Chef Infra (Automation Software). This issue affects an unknown functionality of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

chef-server-api/app/controllers/clients.rb in Chef Server in Chef before 0.9.20, and 0.10.x before 0.10.6, does not require administrative privileges for creating admin clients, which allows remote authenticated users to bypass intended access restrictions by leveraging read permission for the validation key and executing a knife client create command with the --admin option.

The weakness was disclosed 08/08/2012 as not defined git commit (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2011-5098 since 08/08/2012. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 0.10.2 eliminates this vulnerability.

The entries VDB-61516 and VDB-61514 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Automation Software

Vendor

• Opscode

Name

• Chef Infra

Version

• 0.5.1
• 0.5.2
• 0.5.4
• 0.5.6
• 0.6.0
• 0.6.2
• 0.7.2
• 0.7.4
• 0.7.6
• 0.7.8
• 0.7.10
• 0.7.12
• 0.7.14
• 0.8.2
• 0.8.4
• 0.8.6
• 0.8.8
• 0.8.10
• 0.8.12
• 0.8.14
• 0.8.16
• 0.9.0
• 0.9.2
• 0.9.4
• 0.9.6
• 0.9.8
• 0.9.10
• 0.9.12
• 0.9.14
• 0.9.16
• 0.9.18
• 0.10.0
• 0.10.2
• 0.10.4

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
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CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion