Ubuntu.comUB:CVE-2015-1855CVE-2015-1855
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
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%
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.
Bugs
Notes
| Author | Note |
|---|---|
| mdeslaur | needs a cert with multiple wildcards |
Related
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
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%