CVEvulnerability
CVE-2011-4121
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-11-26
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-326
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.
Affected configurations
• ruby-lang ruby (>= 1.8.7.334 < 1.9.3)
Related
Weakness · CWE (1)
- CWE-326 Inadequate Encryption Strength weakness
References
- 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
- 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