GitHub Advisory DatabaseGHSA-8JHX-9GF4-HHF5Consul gem insufficient authentication check - Multiple powers in one controller are not always checked correctly
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.3%
With the consul ruby gem before 1.0.3, if a controller checks multiple powers using :if or :except conditions, these conditions are erroneously applied to all power checks in that controller. This can lead to skipped power checks and hence unauthenticated access to certain controller actions.
Affected configurations
References
github.com/advisories/GHSA-8jhx-9gf4-hhf5
github.com/makandra/consul/issues/49
github.com/rubysec/ruby-advisory-db/blob/c26fbc13435b8be448ad59131428538049d165e4/gems/consul/CVE-2019-16377.yml
github.com/rubysec/ruby-advisory-db/blob/master/gems/consul/CVE-2019-16377.yml
nvd.nist.gov/vuln/detail/CVE-2019-16377
rubygems.org/gems/consul
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.3%