CVE-2015-8559 : The knife bootstrap command in chef Infra client before version 15.4.45 leaks th

The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.

Published 2017-09-21 14:29:00

Updated 2021-06-28 12:15:08

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2015-8559

Chef » Chef
Versions before (<) 15.4.45
cpe:2.3:a:chef:chef:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

https://github.com/chef/chef/issues/3871

CVE-2015-8559: knife bootstrap leaks validator.pem private key into system logs · Issue #3871 · chef/chef · GitHub
Patch;Third Party Advisory
https://discourse.chef.io/t/chef-infra-client-15-4-45-released/16081

Chef Infra Client 15.4.45 released - Chef Release Announcements - Chef Questions
https://github.com/chef/chef/pull/8885

Removing sh -c wrapper around the bootstrapper command string by Nimesh-Msys · Pull Request #8885 · chef/chef · GitHub
http://www.openwall.com/lists/oss-security/2015/12/14/14

oss-security - Re: Chef: knife bootstrap leaks validator privkey into system logs
Mailing List;Third Party Advisory

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