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[email protected]CVE-2015-1855

HistoryNov 29, 2019 - 9:15 p.m.

CVE-2015-1855

2019-11-2921:15:00

CWE-20

[email protected]

web.nvd.nist.gov

119

cve-2015-1855

openssl

ruby

extension

spoofing

vulnerability

hostname validation

remote attack

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

5.5 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.028 Low

EPSS

Percentile

90.5%

JSON

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.

VendorProductVersionCPE
ruby-langruby*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-langruby*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*
ruby-langruby*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ruby-lang	ruby	*	cpe:2.3:a:ruby-lang:ruby::::::::
ruby-lang	ruby	*	cpe:2.3:a:ruby-lang:ruby::::::::
ruby-lang	ruby	*	cpe:2.3:a:ruby-lang:ruby::::::::