CVE-2015-1855

MEDIUM

5.9

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.

CVE Details

CVSS v3.1 Score5.9

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published11/29/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxpuppet:puppet_agentpuppet:puppet_enterpriseruby-lang:rubyruby-lang:trunk

Weaknesses (CWE)

CWE-20

References

http://www.debian.org/security/2015/dsa-3245(secalert@redhat.com)

http://www.debian.org/security/2015/dsa-3246(secalert@redhat.com)

http://www.debian.org/security/2015/dsa-3247(secalert@redhat.com)

https://bugs.ruby-lang.org/issues/9644(secalert@redhat.com)

https://puppetlabs.com/security/cve/cve-2015-1855(secalert@redhat.com)

https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/(secalert@redhat.com)

http://www.debian.org/security/2015/dsa-3245(af854a3a-2127-422b-91ae-364da2661108)

http://www.debian.org/security/2015/dsa-3246(af854a3a-2127-422b-91ae-364da2661108)

http://www.debian.org/security/2015/dsa-3247(af854a3a-2127-422b-91ae-364da2661108)

https://bugs.ruby-lang.org/issues/9644(af854a3a-2127-422b-91ae-364da2661108)

https://puppetlabs.com/security/cve/cve-2015-1855(af854a3a-2127-422b-91ae-364da2661108)

https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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