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VULNERABILITIES

CVE-2011-4121 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/cve-2011-4121 CVEThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121 CVEIssue TrackingThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-4121 CVEThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/07/01/1 CVEMailing ListThird Party Advisory
https://access.redhat.com/security/cve/cve-2011-4121 [email protected]Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-326Inadequate Encryption Strength[email protected]

Affected Products

ProductVersions
ruby-lang ruby
>= 1.8.7.334, < 1.9.3

CPE

  • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2011-4121
NVD Published Date:
Nov 26, 2019
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2011-4121 Details - Not Deferred