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…

published November 29, 2019

CVSS
—
EPSS
3%
Percentile
86.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02815 · 86.4th percentile
Published
2019-11-29T20:46Z
EPSS history
Timeline
  • 29 NOV 20:46Z
    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…
    cvelistv5