CVE-2011-4121
CRITICALRuby >=1.8.7.334 <1.9.3 - Inadequate Encryption Strength in OpenSSL RSA Key Generation
Title source: llmDescription
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.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://security-tracker.debian.org/tracker/CVE-2011-4121
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/cve-2011-4121
Mailing List, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2013/07/01/1
Scores
CVSS v3
9.8
EPSS
0.0253
EPSS Percentile
82.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-326
Status
published
Products (1)
ruby-lang/ruby
1.8.7.334 - 1.9.3
Published
Nov 26, 2019
Tracked Since
Feb 18, 2026