CVE-2015-1855

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
ruby-langruby
2.1.0 ≤
𝑥
< 2.1.6
ruby-langruby
2.2.0 ≤
𝑥
< 2.2.2
ruby-langruby
2.0.0
ruby-langruby
2.0.0:p0
ruby-langruby
2.0.0:p195
ruby-langruby
2.0.0:p247
ruby-langruby
2.0.0:p353
ruby-langruby
2.0.0:p451
ruby-langruby
2.0.0:p481
ruby-langruby
2.0.0:p576
ruby-langruby
2.0.0:p594
ruby-langruby
2.0.0:p598
ruby-langruby
2.0.0:p643
ruby-langtrunk
𝑥
< 50292
debiandebian_linux
7.0
debiandebian_linux
8.0
debiandebian_linux
9.0
puppetpuppet_agent
1.0.0
puppetpuppet_enterprise
3.0.0 ≤
𝑥
< 3.8.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ruby1.8
zesty
dne
yakkety
dne
xenial
dne
wily
dne
vivid
dne
utopic
dne
trusty
dne
precise
ignored
lucid
ignored
ruby1.9.1
zesty
dne
yakkety
dne
xenial
dne
wily
dne
vivid
ignored
utopic
ignored
trusty
Fixed 1.9.3.484-2ubuntu1.3
released
precise
ignored
lucid
ignored
ruby2.0
zesty
dne
yakkety
dne
xenial
dne
wily
dne
vivid
dne
utopic
ignored
trusty
Fixed 2.0.0.484-1ubuntu2.4
released
precise
dne
lucid
dne
ruby2.1
zesty
dne
yakkety
dne
xenial
dne
wily
not-affected
vivid
ignored
utopic
ignored
trusty
dne
precise
dne
lucid
dne
ruby2.2
zesty
dne
yakkety
dne
xenial
dne
wily
not-affected
vivid
dne
utopic
dne
trusty
dne
precise
dne
lucid
dne
ruby2.3
zesty
not-affected
yakkety
not-affected
xenial
not-affected
wily
dne
vivid
dne
utopic
dne
trusty
dne
precise
dne
lucid
dne