verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
19
Affected Products
12
References
ruby-lang / ruby
| - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | ruby | - | - |
| ruby-lang | trunk | 50292 | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - | - |
| puppet | puppet_agent | - | - |
| puppet | puppet_enterprise | 3.0.0 - 3.8.0 | - |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability
Impact