Information Exposure The advisory has been revoked - it doesn't affect any version of package chef (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1904-CHEF-533473
- published21 Sept 2017
- disclosed21 Sept 2017
Introduced: 21 Sep 2017
CVE-2015-8559 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream chef package and not the chef package as distributed by Ubuntu.
The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-8559
- https://security-tracker.debian.org/tracker/CVE-2015-8559
- https://github.com/chef/chef/issues/3871
- https://discourse.chef.io/t/chef-infra-client-15-4-45-released/16081
- https://github.com/chef/chef/pull/8885
- http://www.openwall.com/lists/oss-security/2015/12/14/14