Description
lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/oauth-xx/oauth-ruby/issues/137
Scores
CVSS v3
7.4
EPSS
0.0009
EPSS Percentile
26.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-295
Status
published
Products (2)
oauth-ruby_project/oauth-ruby
< 0.5.4
rubygems/oauth
0 - 0.5.5RubyGems
Published
Sep 24, 2020
Tracked Since
Feb 18, 2026