Vulnerability Report

CVE-2015-1855

Title: Puppet Puppet Enterprise Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2015-1855.

CWE Category CWE-20
Published Date Nov 29, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.9 CVSS v3.1
Exploit Probability (EPSS)
2.72%

Vulnerability Summary

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.

Impacted Vendors

R
ruby-lang 2
P
puppet 2
P
puppetlabs 1
Y
yukihiro_matsumoto 1

Reference Links

http://www.debian.org/security/2015/dsa-3245 http://www.debian.org/security/2015/dsa-3246 http://www.debian.org/security/2015/dsa-3247 https://bugs.ruby-lang.org/issues/9644 https://puppetlabs.com/security/cve/cve-2015-1855 https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ http://www.debian.org/security/2015/dsa-3245 http://www.debian.org/security/2015/dsa-3246 http://www.debian.org/security/2015/dsa-3247 https://bugs.ruby-lang.org/issues/9644 https://puppetlabs.com/security/cve/cve-2015-1855 https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-1855 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.