QwikSec

Security Database

CVE

CWE

Training

CVE-2015-1855

Published: Nov 29, 2019

Modified: Aug 6, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
Ruby	Ruby	affected `before 2.0.0 patchlevel 645` affected `2.1.x before 2.1.6` affected `and 2.2.x before 2.2.2`

References

http://www.debian.org/security/2015/dsa-3247

x_refsource_MISC

http://www.debian.org/security/2015/dsa-3245

x_refsource_MISC

http://www.debian.org/security/2015/dsa-3246

x_refsource_MISC

https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/

x_refsource_MISC

https://puppetlabs.com/security/cve/cve-2015-1855

x_refsource_MISC

https://bugs.ruby-lang.org/issues/9644

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.