CVE-2011-4121
OpenSSL Ruby RSA Key Generation Weakness
Description
The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. A remote attacker could use this flaw to bypass or corrupt integrity of services, depending on strong private RSA keys generation mechanism.
INFO
Published Date :
Nov. 26, 2019, 5:15 a.m.
Last Modified :
April 30, 2020, 2:44 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2011-4121 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2011-4121.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2013/07/01/1 | Mailing List Third Party Advisory |
| https://access.redhat.com/security/cve/cve-2011-4121 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121 | Issue Tracking Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2011-4121 | Third Party 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
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-4121 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-4121 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 -
Reanalysis by [email protected]
Apr. 30, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 1.8.7.334 up to (including) 1.9.2.180 OR *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 1.8.7.334 up to (excluding) 1.9.3 -
Reanalysis by [email protected]
Apr. 30, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2011-09-01 up to (including) 2011-11-03 OR *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 1.8.7.334 up to (including) 1.9.2.180 -
Initial Analysis by [email protected]
Dec. 16, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2013/07/01/1 No Types Assigned http://www.openwall.com/lists/oss-security/2013/07/01/1 Mailing List, Third Party Advisory Changed Reference Type https://access.redhat.com/security/cve/cve-2011-4121 No Types Assigned https://access.redhat.com/security/cve/cve-2011-4121 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121 Issue Tracking, Third Party Advisory Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2011-4121 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2011-4121 Third Party Advisory Added CWE NIST CWE-326 Added CPE Configuration OR *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2011-09-01 up to (including) 2011-11-03
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-4121 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-2011-4121
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.58 }} -0.10%
score
0.78664
percentile