CVE-2015-1855
OpenSSL Ruby SSL/TLS Hostname Spoofing Vulnerability
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.
INFO
Published Date :
Nov. 29, 2019, 9:15 p.m.
Last Modified :
Sept. 30, 2020, 12:27 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2015-1855 has a 3 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
Affected Products
The following products are affected by CVE-2015-1855
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-1855
.
URL | Resource |
---|---|
http://www.debian.org/security/2015/dsa-3245 | Third Party Advisory |
http://www.debian.org/security/2015/dsa-3246 | Third Party Advisory |
http://www.debian.org/security/2015/dsa-3247 | Third Party Advisory |
https://bugs.ruby-lang.org/issues/9644 | Third Party Advisory |
https://puppetlabs.com/security/cve/cve-2015-1855 | Third Party Advisory |
https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Map Vulnerabilities into Different Layers of the Container Image
Python
poc for CVE-2015-1855
Ruby Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-1855
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-1855
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Sep. 30, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:puppet:puppet_agent:1.0:*:*:*:*:*:*:* OR *cpe:2.3:a:puppet:puppet_agent:1.0.0:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 17, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type http://www.debian.org/security/2015/dsa-3245 No Types Assigned http://www.debian.org/security/2015/dsa-3245 Third Party Advisory Changed Reference Type http://www.debian.org/security/2015/dsa-3246 No Types Assigned http://www.debian.org/security/2015/dsa-3246 Third Party Advisory Changed Reference Type http://www.debian.org/security/2015/dsa-3247 No Types Assigned http://www.debian.org/security/2015/dsa-3247 Third Party Advisory Changed Reference Type https://bugs.ruby-lang.org/issues/9644 No Types Assigned https://bugs.ruby-lang.org/issues/9644 Third Party Advisory Changed Reference Type https://puppetlabs.com/security/cve/cve-2015-1855 No Types Assigned https://puppetlabs.com/security/cve/cve-2015-1855 Third Party Advisory Changed Reference Type https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ No Types Assigned https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:ruby-lang:ruby:2.0.0:-:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p353:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p451:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p481:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p576:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p594:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p598:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:2.0.0:p643:*:*:*:*:*:* *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2.1.0 up to (excluding) 2.1.6 *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (excluding) 2.2.2 *cpe:2.3:a:ruby-lang:trunk:*:*:*:*:*:*:*:* versions up to (excluding) 50292 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:puppet:puppet_agent:1.0:*:*:*:*:*:*:* *cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.8.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-1855
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-1855
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.80 }} 0.78%
score
0.90400
percentile